{"id":11623,"date":"2021-05-26T09:32:48","date_gmt":"2021-05-26T04:02:48","guid":{"rendered":"https:\/\/learnsteer.sasnaka.org\/ol\/?p=11623"},"modified":"2021-05-26T09:32:53","modified_gmt":"2021-05-26T04:02:53","slug":"perimeter","status":"publish","type":"post","link":"https:\/\/learnsteer.sasnaka.org\/ol\/ordinary-level\/perimeter\/","title":{"rendered":"\u0db8\u0dd2\u0db1\u0dd4\u0db8\u0dca"},"content":{"rendered":"\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-shadow\"><a class=\"wp-block-button__link\" href=\"https:\/\/drive.google.com\/uc?id=1Xfd74wulLDsyEulFDtQfKsXzLBEPrVG4&amp;export=download\" style=\"border-radius:15px\" target=\"_blank\" rel=\"noreferrer noopener\">\u0db4\u0dcf\u0da9\u0db8\u0dda \u0dc3\u0da7\u0dc4\u0db1 Download \u0d9a\u0dbb\u0d9c\u0db1\u0dca\u0db1.<\/a><\/div>\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u0dad\u0dbd \u0dbb\u0dd6\u0db4\u0dc0\u0dbd \u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u0dc3\u0dd8\u0da2\u0dd4\u0d9a\u0ddd\u0dab\u0dcf\u0dc3\u0dca\u200d\u0dbb\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"306\" height=\"200\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-50.png\" alt=\"\" class=\"wp-image-11625\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-50.png 306w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-50-300x196.png 300w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-50-150x98.png 150w\" sizes=\"(max-width: 306px) 100vw, 306px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\;&amp;=&amp;\\;a\\;+\\;b\\;+\\;a\\;+\\;b\\\\&amp;=&amp;\\;2a\\;+\\;2b\\\\&amp;=&amp;\\;2\\;(a\\;+\\;b)\\\\&amp;=&amp;\\;2\\;(\\mathrm{\u0daf\u0dd2\u0d9c}\\;+\\;\\mathrm{\u0db4\u0dc5\u0dbd})\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u0dc3<strong>\u0db8\u0da0\u0dad\u0dd4\u0dbb\u0dc1\u0dca\u200d\u0dbb\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"249\" height=\"219\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-51.png\" alt=\"\" class=\"wp-image-11627\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-51.png 249w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-51-150x132.png 150w\" sizes=\"(max-width: 249px) 100vw, 249px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\;&amp;=&amp;\\;\\mathrm a\\;+\\;\\mathrm a\\;+\\;\\mathrm a\\;+\\;\\mathrm a\\;\\\\&amp;=&amp;\\;4\\mathrm a\\\\&amp;=&amp;\\;4\\;\\times\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u0dad\u0dca\u200d\u0dbb\u0dd2\u0d9a\u0ddd\u0dab\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"273\" height=\"225\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-53.png\" alt=\"\" class=\"wp-image-11629\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-53.png 273w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-53-150x124.png 150w\" sizes=\"(max-width: 273px) 100vw, 273px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\;&amp;=&amp;\\;\\mathrm a\\;+\\;\\mathrm b\\;+\\;\\mathrm c\\\\&amp;=&amp;\\;\\mathrm{\u0db4\u0dcf\u0daf}\\;\\mathrm{\u0dad\u0dd4\u0db1\u0dd9\u0dc4\u0dd2}\\;\\mathrm{\u0daf\u0dd2\u0d9c\u0dda}\\;\\mathrm{\u0d91\u0d9a\u0dad\u0dd4\u0dc0}\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>\u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"241\" height=\"206\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-55.png\" alt=\"\" class=\"wp-image-11631\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-55.png 241w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-55-150x128.png 150w\" sizes=\"(max-width: 241px) 100vw, 241px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\;&amp;=&amp;\\;2\\mathrm\\pi\\;\\mathrm r\\\\&amp;=&amp;\\;2\\mathrm\\pi\\;\\times\\;\\mathrm{\u0d85\u0dbb\u0dba}\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dd2\u0d9a \u0d9b\u0dab\u0dca\u0da9\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"306\" height=\"264\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-57.png\" alt=\"\" class=\"wp-image-11633\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-57.png 306w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-57-300x259.png 300w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-57-150x129.png 150w\" sizes=\"(max-width: 306px) 100vw, 306px\" \/><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dba C \u0dc0\u0dd6 \u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba\u0d9a \u0d85\u0dbb \u0daf\u0dd9\u0d9a\u0d9a\u0dd2\u0db1\u0dca \u0dc4\u0dcf \u0db4\u0dbb\u0dd2\u0db0\u0dd2\u0dba\u0dda \u0d9a\u0ddc\u0da7\u0dc3\u0d9a\u0dd2\u0db1\u0dca \u0db8\u0dcf\u0dba\u0dd2\u0db8\u0dca \u0dc0\u0dd6 \u0db4\u0dd9\u0daf\u0dd9\u0dc3\u0d9a\u0dca \u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dd2\u0d9a \u0d9b\u0dab\u0dca\u0da9\u0dba\u0d9a\u0dd2.<\/li><li>\u0d85\u0dbb\u0dba\u0db1\u0dca \u0daf\u0dd9\u0d9a \u0d85\u0dad\u0dbb \u0d9a\u0ddd\u0dab\u0dba \u0dc0\u0db1 <img loading=\"lazy\" decoding=\"async\" width=\"13\" height=\"38\" src=\"\">&nbsp;\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba \u0db1\u0db8\u0dca \u0dc0\u0dda<\/li><li>\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba 0\u02da- 360\u02da \u0dad\u0dd9\u0d9a\u0dca \u0dc0\u0dd6 \u0d95\u0db1\u0dd1\u0db8 \u0d85\u0d9c\u0dba\u0d9a\u0dca \u0dc0\u0dd2\u0dba \u0dc4\u0dd0\u0d9a\u0dd2\u0dba\u0dd2<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba 180\u02da \u0dc0\u0dd2\u0da7 \u0d91\u0dba \u0d85\u0dbb\u0dca\u0db0 \u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba \u0d9a\u0dd2.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"299\" height=\"169\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-59.png\" alt=\"\" class=\"wp-image-11635\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-59.png 299w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-59-150x85.png 150w\" sizes=\"(max-width: 299px) 100vw, 299px\" \/><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba 90\u02da \u0dc0\u0dd2\u0da7 \u0d91\u0dba \u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba\u0dd9\u0db1\u0dca \u00bc \u0d9a\u0dd2.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"206\" height=\"182\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-61.png\" alt=\"\" class=\"wp-image-11637\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-61.png 206w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-61-150x133.png 150w\" sizes=\"(max-width: 206px) 100vw, 206px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dd2\u0d9a \u0d9b\u0dab\u0dca\u0da9\u0dba\u0d9a \u0da0\u0dcf\u0db4 \u0daf\u0dd2\u0d9c \u0dc3\u0dd9\u0dc0\u0dd3\u0db8<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0d85\u0dbb\u0dba r \u0dc0\u0db1 \u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba\u0d9a<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"221\" height=\"175\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-62.png\" alt=\"\" class=\"wp-image-11638\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-62.png 221w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-62-150x119.png 150w\" sizes=\"(max-width: 221px) 100vw, 221px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}360\u02da\\;&amp;=&amp;\\;2\\mathrm\\pi\\;\\mathrm{\u0da0\u0dcf\u0db4}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;(\\mathrm{\u0db4\u0dbb\u0dd2\u0db0\u0dd2\u0dba})\\\\\\;&amp;=&amp;\\;2\\mathrm\\pi\\;\\mathrm r\\;\\;\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\\\\\;&amp;=&amp;\\;2\\mathrm\\pi\\;\\mathrm r\\end{array}<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0d85\u0dbb\u0dba r \u0dc0\u0db1 \u0d85\u0dbb\u0dca\u0db0 \u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba\u0d9a<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"263\" height=\"147\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-64.png\" alt=\"\" class=\"wp-image-11640\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-64.png 263w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-64-150x84.png 150w\" sizes=\"(max-width: 263px) 100vw, 263px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}180\u02da\\;&amp;=&amp;\\;\\mathrm\\pi\\\\\\;\\mathrm{\u0da0\u0dcf\u0db4}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;&amp;=&amp;\\frac{\\;180^\\circ}{360^\\circ}\\;\\times\\;2\\mathrm\\pi\\;\\mathrm r\\\\&amp;=&amp;\\;\\mathrm\\pi\\;\\mathrm r\\;\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\\\\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}&amp;=&amp;\\;\\mathrm\\pi\\;\\mathrm r\\;+\\;2\\mathrm r\\end{array}<\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"170\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-66.png\" alt=\"\" class=\"wp-image-11642\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-66.png 200w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-66-150x128.png 150w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}90\u02da\\;&amp;=&amp;\\;\\frac{\\mathrm\\pi\\;}2\\\\\\mathrm{\u0da0\u0dcf\u0db4}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;&amp;=&amp;\\frac{\\;90}{360^\\circ}\\times\\;2\\mathrm\\pi\\;\\mathrm r\\;\\\\&amp;=&amp;\\;\\frac{\\mathrm\\pi\\;}2\\times\\mathrm r\\;\\\\\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\;&amp;=&amp;\\frac{\\mathrm{\u03c0r}\\;}2+\\;2\\mathrm r\\end{array}<\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"165\" height=\"114\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-67.png\" alt=\"\" class=\"wp-image-11643\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-67.png 165w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-67-150x104.png 150w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-67-100x70.png 100w\" sizes=\"(max-width: 165px) 100vw, 165px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}45\u02da\\;&amp;=&amp;\\;\\frac{\\mathrm\\pi}4\\;\\\\\\mathrm{\u0da0\u0dcf\u0db4}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;&amp;=&amp;\\;\\frac{45^\\circ}{360^\\circ\\;}\\times\\;2\\mathrm\\pi\\;\\mathrm r\\\\&amp;=&amp;\\;\\frac{\\mathrm\\pi}4\\;\\times\\mathrm r\\\\\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\;&amp;=&amp;\\frac{\\mathrm{\u03c0r}}4\\;+\\;2\\mathrm r\\end{array}<\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"221\" height=\"147\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-69.png\" alt=\"\" class=\"wp-image-11645\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-69.png 221w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-69-150x100.png 150w\" sizes=\"(max-width: 221px) 100vw, 221px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}&amp;&amp;\\boxed{\\begin{array}{l}\\mathrm{\u0da0\u0dcf\u0db4}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;=\\;\\frac{\\mathrm\\theta}{360^\\circ}\\times\\;2\\mathrm\\pi\\;\\mathrm r\\\\\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\;=\\frac{\\mathrm\\theta}{360^\\circ}\\;\\times\\;2\\mathrm\\pi\\;\\mathrm r\\;+\\;2\\mathrm r\\end{array}}\\end{array}<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dd2\u0d9a \u0d9b\u0dab\u0dca\u0da9 \u0d86\u0dc1\u0dca\u200d\u0dbb\u0dd2\u0dad \u0dad\u0dbd \u0dbb\u0dd6\u0db4 \u0dc0\u0dbd \u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba<\/h2>\n\n\n\n<p>\u0db1\u0dd2\u0daf\u0dc3\u0dd4\u0db1 1 :<\/p>\n\n\n\n<p>\u0db4\u0dc4\u0dad \u0dbb\u0dd6\u0db4\u0dba\u0dda \u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba \u0dc3\u0ddc\u0dba\u0db1\u0dca\u0db1<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"376\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-71.png\" alt=\"\" class=\"wp-image-11647\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-71.png 416w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-71-300x271.png 300w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-71-150x136.png 150w\" sizes=\"(max-width: 416px) 100vw, 416px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}AB\\;\\mathrm{\u0db4\u0dcf\u0daf\u0dba\u0dda}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;&amp;=&amp;\\;DC\\;\\mathrm{\u0db4\u0dcf\u0daf\u0dba\u0dda}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;\\\\\\therefore\\;\\;\\;DC\\;\\mathrm{\u0db4\u0dcf\u0daf\u0dba\u0dda}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;&amp;=&amp;\\;5\\;cm\\\\&amp;&amp;\\;DFC\\;\\mathrm{\u0dad\u0dca\u200d\u0dbb\u0dd2\u0d9a\u0ddd\u0dab\u0dba}\\;\\mathrm{\u0dc3\u0dd0\u0dc5\u0d9a\u0dd3\u0db8\u0dd9\u0db1\u0dca},\\\\\\;(DF)^2\\;+\\;(FC)^2\\;&amp;=&amp;\\;(DC)^2\\\\\\;\\;\\;32\\;+\\;(FC)\\;^2\\;&amp;=&amp;\\;52\\\\\\;\\;\\;(FC)\\;^2\\;&amp;=&amp;\\;25\\;\u2013\\;9\\;=\\;16\\;\\\\FC\\;\\text{\u0db4\u0dcf\u0daf\u0dba\u0dda\u00a0\u0daf\u0dd2\u0d9c\u00a0}&amp;=&amp;\\;4\\;cm\\;\\\\BEC\\;\\mathrm{\u0da0\u0dcf\u0db4}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\;&amp;=&amp;\\;\\frac{180^\\circ}{360^\\circ}\\;\\times\\;2\\pi\\;r\\\\;\\;\\;\\;\\;\\;&amp;=&amp;\\;\\pi\\;\\times\\;\\frac{3.5\\;}2\\;\\;\\;\\\\&amp;=&amp;\\frac{\\;22}7\\times\\frac{3.5\\;\\;}2\\;\\;\\\\&amp;=&amp;\\;5.5\\;cm\\\\&amp;&amp;\\text{\u00a0}\\mathrm{\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba}\\operatorname{\u00a0=\u00a0}\\mathrm{AB}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\operatorname{\u00a0+\u00a0}\\mathrm{BEC}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\operatorname{\u00a0+\u00a0}\\mathrm{CF}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\operatorname{\u00a0+\u00a0}\\mathrm{FD}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\operatorname{\u00a0+\u00a0}\\mathrm{DA}\\;\\mathrm{\u0daf\u0dd2\u0d9c}\\\\&amp;=&amp;\\;5\\;cm\\;+\\;5.5\\;cm\\;+\\;4\\;cm\\;+\\;3\\;cm\\;+\\;3.5\\;cm\\\\&amp;=&amp;\\;21\\;cm\\;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\end{array}<\/span><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u0dad\u0dbd \u0dbb\u0dd6\u0db4 \u0dc0\u0dbd \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u0dc3\u0dd8\u0da2\u0dd4\u0d9a\u0ddd\u0dab\u0dcf\u0dc3\u0dca\u200d\u0dbb\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"306\" height=\"212\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-72.png\" alt=\"\" class=\"wp-image-11658\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-72.png 306w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-72-300x208.png 300w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-72-150x104.png 150w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-72-218x150.png 218w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-72-100x70.png 100w\" sizes=\"(max-width: 306px) 100vw, 306px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}\\;&amp;=&amp;\\;a\\;\\times\\;b\\\\&amp;=&amp;\\mathrm{\u0daf\u0dd2\u0d9c}\\;\\times\\;\\mathrm{\u0db4\u0dc5\u0dbd}\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.<strong>\u0dc3\u0db8\u0da0\u0dad\u0dd4\u0dbb\u0dc3\u0dca\u200d\u0dbb\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"248\" height=\"243\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-74.png\" alt=\"\" class=\"wp-image-11660\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-74.png 248w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-74-150x147.png 150w\" sizes=\"(max-width: 248px) 100vw, 248px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}\\;&amp;=&amp;\\;\\mathrm a\\;\\times\\;\\mathrm a\\\\&amp;=&amp;\\;\\mathrm{\u0db4\u0dcf\u0daf\u0dba\u0d9a}\\;\\mathrm{\u0daf\u0dd2\u0d9c}^{\\;2}\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u0dc3\u0db8\u0dcf\u0db1\u0dca\u0dad\u0dbb\u0dcf\u0dc1\u0dca\u200d\u0dbb\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"277\" height=\"222\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-75.png\" alt=\"\" class=\"wp-image-11661\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-75.png 277w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-75-150x120.png 150w\" sizes=\"(max-width: 277px) 100vw, 277px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}\\;&amp;=&amp;\\;\\mathrm a\\;\\times\\;\\mathrm h\\\\&amp;=&amp;\\;\\mathrm{\u0d86\u0db0\u0dcf\u0dbb\u0d9a\u0dba}\\;\\times\\;\\mathrm{\u0dbd\u0db8\u0dca\u0db7}\\;\\mathrm{\u0d8b\u0dc3}\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u0dad\u0dca\u200d\u0dbb\u0dd2\u0d9a\u0ddd\u0dab\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"228\" height=\"220\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-77.png\" alt=\"\" class=\"wp-image-11663\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-77.png 228w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-77-150x145.png 150w\" sizes=\"(max-width: 228px) 100vw, 228px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}\\;&amp;=&amp;\\frac{\\;1}2\\;\\mathrm a\\;\\times\\;\\mathrm h\\\\&amp;=&amp;\\;\\frac{\\;1}2\\times\\;\\mathrm{\u0d86\u0db0\u0dcf\u0dbb\u0d9a\u0dba}\\;\\times\\;\\mathrm{\u0dbd\u0db8\u0dca\u0db7}\\;\\mathrm{\u0d8b\u0dc3}\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>\u0dad\u0dca\u200d\u0dbb\u0dd2\u0db4\u0dd3\u0dc3\u0dd2\u0dba\u0db8<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"259\" height=\"189\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-78.png\" alt=\"\" class=\"wp-image-11664\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-78.png 259w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-78-150x109.png 150w\" sizes=\"(max-width: 259px) 100vw, 259px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}\\;&amp;=&amp;\\;\\frac12\\;(\\mathrm a\\;+\\;\\mathrm b)\\;\\times\\;\\mathrm h\\\\&amp;=&amp;\\frac12\\;\\times\\;(\\;\/\/\\mathrm{\u0db4\u0dcf\u0daf}\\;\\mathrm{\u0daf\u0dd9\u0d9a\u0dd9\u0dc4\u0dd2}\\;\\mathrm{\u0daf\u0dd2\u0d9c\u0dda}\\;\\mathrm{\u0d91\u0d9a\u0dad\u0dd4\u0dc0})\\;\\times\\;\\mathrm{\u0dbd\u0db8\u0dca\u0db7}\\;\\mathrm{\u0d8b\u0dc3}\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. <strong>\u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"190\" height=\"188\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-80.png\" alt=\"\" class=\"wp-image-11666\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-80.png 190w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-80-150x148.png 150w\" sizes=\"(max-width: 190px) 100vw, 190px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}\\;&amp;=&amp;\\;\\mathrm\\pi\\;\\mathrm r^2\\\\&amp;=&amp;\\;\\mathrm\\pi\\;\\times\\;(\\mathrm{\u0d85\u0dbb\u0dba})\\;^2\\end{array}<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. <strong>\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dd2\u0d9a \u0d9b\u0dab\u0dca\u0da9\u0dba <\/strong><\/h3>\n\n\n\n<p>I. \u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba 360\u02da&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"181\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-82.png\" alt=\"\" class=\"wp-image-11668\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-82.png 181w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-82-150x150.png 150w\" sizes=\"(max-width: 181px) 100vw, 181px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}\\;&amp;=&amp;\\;\\mathrm\\pi\\;\\mathrm r^2\\;\\\\&amp;=&amp;\\;\\mathrm\\pi\\;\\times\\;(\\mathrm{\u0d85\u0dbb\u0dba})\\;^2\\end{array}<\/span><\/p>\n\n\n\n<p>II.\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba 180\u02da<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"242\" height=\"128\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-84.png\" alt=\"\" class=\"wp-image-11670\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-84.png 242w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-84-150x79.png 150w\" sizes=\"(max-width: 242px) 100vw, 242px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}&amp;=&amp;\\frac{180^\\circ}{360^\\circ}\\times\\mathrm{\u03c0r}^2\\\\&amp;=&amp;\\frac{\\mathrm{\u03c0r}^2}2\\end{array}<\/span><\/p>\n\n\n\n<p>III. \u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba 90\u02da<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"154\" height=\"146\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-85.png\" alt=\"\" class=\"wp-image-11671\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-85.png 154w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-85-150x142.png 150w\" sizes=\"(max-width: 154px) 100vw, 154px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}&amp;=&amp;\\frac{90^\\circ}{360^\\circ}\\times\\mathrm{\u03c0r}^2\\\\&amp;=&amp;\\frac{\\mathrm{\u03c0r}^2}4\\end{array}<\/span><\/p>\n\n\n\n<p>IV. \u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba 120\u02da<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"184\" height=\"194\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-86.png\" alt=\"\" class=\"wp-image-11672\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-86.png 184w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-86-150x158.png 150w\" sizes=\"(max-width: 184px) 100vw, 184px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}&amp;=&amp;\\frac{120^\\circ}{360^\\circ}\\times\\mathrm{\u03c0r}^2\\\\&amp;=&amp;\\frac{\\mathrm{\u03c0r}^2}3\\end{array}<\/span><\/p>\n\n\n\n<p>V. \u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb \u0d9a\u0ddd\u0dab\u0dba &nbsp;\u03b8<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"152\" height=\"147\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-87.png\" alt=\"\" class=\"wp-image-11673\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-87.png 152w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-87-150x145.png 150w\" sizes=\"(max-width: 152px) 100vw, 152px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}&amp;&amp;\\boxed{\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}=\\frac{\\mathrm\\theta^\\circ}{360^\\circ}\\times\\mathrm{\u03c0r}^2}\\end{array}<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0d9a\u0dda\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dd2\u0d9a \u0d9b\u0dab\u0dca\u0da9 \u0d86\u0dc1\u0dca\u200d\u0dbb\u0dd2\u0dad \u0dad\u0dbd \u0dbb\u0dd6\u0db4\u0dc0\u0dbd \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba<\/h2>\n\n\n\n<p>\u0db1\u0dd2\u0daf\u0dc3\u0dd4\u0db1 1:<\/p>\n\n\n\n<p>\u0db4\u0dc4\u0dad \u0dbb\u0dd6\u0db4\u0dba\u0dda \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba \u0dc3\u0ddc\u0dba\u0db1\u0dca\u0db1.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"427\" height=\"372\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-89.png\" alt=\"\" class=\"wp-image-11675\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-89.png 427w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-89-300x261.png 300w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-89-150x131.png 150w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/figure><\/div>\n\n\n\n<p>\u0d9c\u0dab\u0db1\u0dba \u0d9a\u0dd2\u0dbb\u0dd3\u0db8\u0dda \u0db4\u0dc4\u0dc3\u0dd4\u0dc0 \u0dc3\u0db3\u0dc4\u0dcf \u0d89\u0dc4\u0dad \u0dbb\u0dd6\u0db4\u0dba \u0d9a\u0ddc\u0da7\u0dc3\u0dca \u0dad\u0dd4\u0db1\u0d9a\u0da7 \u0dc0\u0dd9\u0db1\u0dca \u0d9a\u0dbb\u0db8\u0dd4<\/p>\n\n\n\n<p>\u0d89\u0dc4\u0dad \u0dc3\u0d82\u0dba\u0dd4\u0d9a\u0dca\u0dad \u0dbb\u0dd6\u0db4\u0dba \u0dc3\u0dd1\u0daf\u0dd9\u0db1\u0dca\u0db1\u0dda,<\/p>\n\n\n\n<p><em>(\u0dc3\u0dd8\u0da2\u0dd4\u0d9a\u0ddd\u0dab\u0dcf\u0dc3\u0dca\u200d\u0dbb\u0dba\u0dda \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba + \u0dad\u0dca\u200d\u0dbb\u0dd2\u0d9a\u0ddd\u0db1\u0dba\u0dda \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba) &#8211; \u0d85\u0dbb\u0dca\u0db0 \u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba\u0dda \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba<\/em><\/p>\n\n\n\n<p>\u0db8\u0d9f\u0dd2\u0db1\u0dd2.<\/p>\n\n\n\n<p>\u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba \u0d9a\u0ddc\u0da7\u0dc3\u0dda\u0daf\u0dd3 \u0d9c\u0dab\u0db1\u0dba \u0d9a\u0dc5 \u0d86\u0d9a\u0dcf\u0dbb\u0dba\u0da7 \u0daf\u0dd2\u0d9c \u0d86\u0daf\u0dda\u0dc1 \u0d9a\u0dc5 \u0dc0\u0dd2\u0da7,<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"493\" height=\"358\" src=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-92.png\" alt=\"\" class=\"wp-image-11678\" srcset=\"https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-92.png 493w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-92-300x218.png 300w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-92-150x109.png 150w, https:\/\/learnsteer.sasnaka.org\/ol\/wp-content\/uploads\/sites\/2\/2021\/05\/image-92-324x235.png 324w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><\/figure><\/div>\n\n\n\n<p>\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba = (\u0dc3\u0dd8\u0da2\u0dd4\u0d9a\u0ddd\u0dab\u0dcf\u0dc3\u0dca\u200d\u0dbb\u0dba\u0dda \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba + \u0dad\u0dca\u200d\u0dbb\u0dd2\u0d9a\u0ddd\u0db1\u0dba\u0dda \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba) &#8211; \u0d85\u0dbb\u0dca\u0db0 \u0dc0\u0dd8\u0dad\u0dca\u0dad\u0dba\u0dda&nbsp;\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba<\/p>\n\n\n\n<p class=\"has-text-align-center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}&amp;=&amp;5\\times3.5+\\frac12\\times5\\times2.5-\\frac12\\times2\\times\\frac{22}7\\times\\frac{3.5}2\\\\\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}&amp;=&amp;17.5+6.25+5.5\\\\\\mathrm{\u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba}&amp;=&amp;29.25\\mathrm{cm}^2\\end{array}<\/span><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-shadow td_btn_normal\"><a class=\"wp-block-button__link\" href=\"https:\/\/drive.google.com\/uc?id=1Xfd74wulLDsyEulFDtQfKsXzLBEPrVG4&amp;export=download\" style=\"border-radius:15px\" target=\"_blank\" rel=\"noreferrer noopener\">\u0db4\u0dcf\u0da9\u0db8\u0dda \u0dc3\u0da7\u0dc4\u0db1 Download \u0d9a\u0dbb\u0d9c\u0db1\u0dca\u0db1.<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u0d89\u0daf\u0dd2\u0dbb\u0dd2\u0dba\u0dda\u0daf\u0dd3 \u0db4\u0dca\u200d\u0dbb\u0dc1\u0dca\u0db1 \u0d87\u0dad\u0dd4\u0dbd\u0dad\u0dca \u0dc0\u0db1\u0dca\u0db1\u0dda \u0db8\u0dd9\u0dad\u0db1\u0da7\u0dba\u0dd2.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-shadow td_btn_normal\"><a class=\"wp-block-button__link\" href=\"https:\/\/drive.google.com\/uc?id=1Et8V2zU47bJMKqgyV7zfhq1OvM8J6YG3&amp;export=download\" style=\"border-radius:15px\" target=\"_blank\" rel=\"noreferrer noopener\">\u0dad\u0dc0\u0dad\u0dca \u0db4\u0dca\u200d\u0dbb\u0dc1\u0dca\u0db1 \u0db4\u0dd9\u0db1\u0dca\u0dc0\u0db1\u0dca\u0db1.<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0dad\u0dbd \u0dbb\u0dd6\u0db4\u0dc0\u0dbd \u0db4\u0dbb\u0dd2\u0db8\u0dd2\u0dad\u0dd2\u0dba , \u0dc0\u0dbb\u0dca\u0d9c\u0db5\u0dbd\u0dba \u0db4\u0dd2\u0dc5\u0dd2\u0db6\u0db3\u0dc0 \u0dc3\u0dd2\u0daf\u0dca\u0db0\u0dcf\u0db1\u0dca\u0dad\u0dba \u0db4\u0dd0\u0dc4\u0dd0\u0daf\u0dd2\u0dc5\u0dd2 \u0d9a\u0dbb \u0d92 \u0db4\u0dd2\u0dc5\u0dd2\u0db6\u0db3\u0dc0 \u0d9c\u0dd0\u0da7\u0dbd\u0dd4 \u0dc0\u0dd2\u0dc3\u0db3\u0dd3\u0db8 \u0db8\u0dd9\u0db8 \u0d9a\u0ddc\u0da7\u0dc3\u0dda \u0daf\u0dd3 \u0dc3\u0dd2\u0daf\u0dd4\u0d9a\u0dd9\u0dbb\u0dda.<\/p>\n","protected":false},"author":21,"featured_media":11443,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[3755,3787,3754,3623],"tags":[3646,3687,3644,3761,3762],"class_list":{"0":"post-11623","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-paper-2","8":"category-mathamatics","9":"category-measurements-grade-11","10":"category-ordinary-level","11":"tag-ganithaya","12":"tag-mathamatics","13":"tag-maths","14":"tag-parimithiya","15":"tag-perimeter"},"_links":{"self":[{"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/posts\/11623"}],"collection":[{"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/comments?post=11623"}],"version-history":[{"count":16,"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/posts\/11623\/revisions"}],"predecessor-version":[{"id":11710,"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/posts\/11623\/revisions\/11710"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/media\/11443"}],"wp:attachment":[{"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/media?parent=11623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/categories?post=11623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/ol\/wp-json\/wp\/v2\/tags?post=11623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}