{"id":126789,"date":"2023-09-05T13:41:00","date_gmt":"2023-09-05T08:11:00","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=126789"},"modified":"2023-12-07T10:53:24","modified_gmt":"2023-12-07T05:23:24","slug":"rd-sharma-class-9-solutions-chapter-12-mcqs","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/","title":{"rendered":"RD Sharma Class 9 Solutions Chapter 12 MCQs (Updated for 2024)"},"content":{"rendered":"\n<p><img class=\"alignnone size-full wp-image-126791\" src=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-9-Solutions-Chapter-12-MCQS.jpg\" alt=\"RD Sharma Class 9 Solutions Chapter 12 MCQs\" width=\"1200\" height=\"675\" srcset=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-9-Solutions-Chapter-12-MCQS.jpg 1200w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-9-Solutions-Chapter-12-MCQS-768x432.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><strong>RD Sharma Class 9 Solutions Chapter 12 MCQs:&nbsp;<\/strong>MCQs can be pretty tricky when you don&#8217;t know the easiest and quickest method to solve them. But you can do it with the help of <a href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-solutions-class-9-maths-chapter-12-herons-formula\/\" target=\"_blank\" rel=\"noopener\">RD Sharma Class 9 Solutions Chapter 12<\/a> MCQs. You can see how easy and understandable the solutions are. Subject matter experts have designed the solutions as per the current CBSE Syllabus. To know more about the <a href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-for-maths\/\" target=\"_blank\" rel=\"noopener\">RD Sharma Solutions Class 9 Maths<\/a>, read the whole blog.&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_47_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69e762bc34ec0\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69e762bc34ec0\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/#access-answers-of-rd-sharma-class-9-solutions-chapter-12-mcqs\" title=\"Access answers of RD Sharma Class 9 Solutions Chapter 12 MCQs\">Access answers of RD Sharma Class 9 Solutions Chapter 12 MCQs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/#mcqs-on-class-9-maths-chapter-12-heron%e2%80%99s-formula\" title=\"MCQs on Class 9 Maths Chapter 12 Heron\u2019s Formula\">MCQs on Class 9 Maths Chapter 12 Heron\u2019s Formula<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/#faqs-on-rd-sharma-class-9-solutions-chapter-12-mcqs\" title=\"FAQs on RD Sharma Class 9 Solutions Chapter 12 MCQs\">FAQs on RD Sharma Class 9 Solutions Chapter 12 MCQs<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/#is-it-even-beneficial-to-study-rd-sharma-for-class-9-solutions-chapter-12-mcqs\" title=\"Is it even beneficial to study RD Sharma for Class 9 Solutions Chapter 12 MCQs?\">Is it even beneficial to study RD Sharma for Class 9 Solutions Chapter 12 MCQs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/#are-the-solutions-rd-sharma-class-9-solutions-chapter-12-mcqs-relevant\" title=\"Are the solutions RD Sharma Class 9 Solutions Chapter 12 MCQs\u00a0relevant?\">Are the solutions RD Sharma Class 9 Solutions Chapter 12 MCQs\u00a0relevant?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/#how-many-questions-exist-in-rd-sharma-class-9-solutions-chapter-12-mcqs\" title=\"How many questions exist in RD Sharma Class 9 Solutions Chapter 12 MCQs?\">How many questions exist in RD Sharma Class 9 Solutions Chapter 12 MCQs?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"access-answers-of-rd-sharma-class-9-solutions-chapter-12-mcqs\"><\/span><strong>Access answers of RD Sharma Class 9 Solutions Chapter 12 MCQs<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"mcqs-on-class-9-maths-chapter-12-heron%e2%80%99s-formula\"><\/span>MCQs on Class 9 Maths Chapter 12 Heron\u2019s Formula<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Choose the correct answer and solve the MCQs on Heron\u2019s formula.<\/p>\n<p><strong>1) The area of a triangle is equal to:<\/strong><\/p>\n<p>a. Base x Height<\/p>\n<p>b. 2(Base x Height)<\/p>\n<p>c. \u00bd(Base x Height)<\/p>\n<p>d. \u00bd (Base + Height)<\/p>\n<p>Answer:<strong>&nbsp;c<\/strong><\/p>\n<p><strong>2) If the perimeter of an equilateral triangle is 180 cm. Then its area will be:<\/strong><\/p>\n<p>a. 900 cm<sup>2<\/sup><\/p>\n<p>b. 900\u221a3 cm<sup>2<\/sup><\/p>\n<p>c. 300\u221a3 cm<sup>2<\/sup><\/p>\n<p>d. 600\u221a3 cm<sup>2<\/sup><\/p>\n<p>Answer:<strong>&nbsp;b<\/strong><\/p>\n<p>Explanation: Given, Perimeter = 180 cm<\/p>\n<p>3a = 180 (Equilateral triangle)<\/p>\n<p>a = 60 cm<\/p>\n<p>Semi-perimeter = 180\/2 = 90 cm<\/p>\n<p>Now as per Heron\u2019s formula,<\/p>\n<p>In the case of an equilateral triangle, a = b = c = 60 cm<\/p>\n<p>Substituting these values in the Heron\u2019s formula, we get the area of the triangle as:<\/p>\n<p>A =&nbsp;\u221a[90(90 \u2013 60)(90 \u2013 60)(90 \u2013 60)]<\/p>\n<p>=&nbsp;\u221a(90\u00d7 30 \u00d7 30 \u00d7 30)<\/p>\n<p>A = 900\u221a3&nbsp;cm<sup>2<\/sup><\/p>\n<p><strong>3) The sides of a triangle are 122 m, 22 m and 120 m respectively. The area of the triangle is:<\/strong><\/p>\n<p>a. 1320 sq.m<\/p>\n<p>b. 1300 sq.m<\/p>\n<p>c. 1400 sq.m<\/p>\n<p>d. 1420 sq.m<\/p>\n<p>Answer:<strong>&nbsp;a<\/strong><\/p>\n<p>Explanation: Given,<\/p>\n<p>a = 122 m<\/p>\n<p>b = 22 m<\/p>\n<p>c = 120 m<\/p>\n<p>Semi-perimeter, s = (122 + 22 + 120)\/2 = 132 m<\/p>\n<p>Using Heron\u2019s formula:<\/p>\n<p>=&nbsp;\u221a[132(132 \u2013 122)(132 \u2013 22)(132 \u2013 120)]<\/p>\n<p>=&nbsp;\u221a(132 \u00d7 10 \u00d7 110 \u00d7 12)<\/p>\n<p>= 1320 sq.m<\/p>\n<p><strong>4) The area of a triangle with given two sides 18 cm and 10 cm, respectively and a perimeter equal to 42 cm is:<\/strong><\/p>\n<p>a. 20\u221a11 cm<sup>2<\/sup><\/p>\n<p>b. 19\u221a11 cm<sup>2<\/sup><\/p>\n<p>c. 22\u221a11 cm<sup>2<\/sup><\/p>\n<p>d. 21\u221a11 cm<sup>2<\/sup><\/p>\n<p>Answer:<strong>&nbsp;d<\/strong><\/p>\n<p>Explanation: Perimeter = 42<\/p>\n<p>a + b + c = 42<\/p>\n<p>18 + 10 + c = 42<\/p>\n<p>c = 42 \u2013 28 = 14 cm<\/p>\n<p>Semi perimeter, s = 42\/2 = 21 cm<\/p>\n<p>Using Heron\u2019s formula:<\/p>\n<p>=&nbsp;\u221a[21(21 \u2013 18)(21 \u2013 10)(21 \u2013 14)]<\/p>\n<p>=&nbsp;\u221a(21 \u00d7 3 \u00d7 11 \u00d7 7)<\/p>\n<p>= 21\u221a11 cm<sup>2<\/sup><\/p>\n<p>This is the complete blog on RD Sharma Class 9 Solutions Chapter 12 MCQs. To know more about the <a href=\"https:\/\/www.cbse.gov.in\/\" target=\"_blank\" rel=\"noopener\">CBSE<\/a> Class 9 Maths exam, ask in the comments.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"faqs-on-rd-sharma-class-9-solutions-chapter-12-mcqs\"><\/span><strong>FAQs on RD Sharma Class 9 Solutions Chapter 12 MCQs<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1631303144937\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"is-it-even-beneficial-to-study-rd-sharma-for-class-9-solutions-chapter-12-mcqs\"><\/span>Is it even beneficial to study RD Sharma for Class 9 Solutions Chapter 12 MCQs?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, your preparation will be strengthened with this amazing help book. All your questions will be answered by this book.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1631303162372\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"are-the-solutions-rd-sharma-class-9-solutions-chapter-12-mcqs-relevant\"><\/span>Are the solutions RD Sharma Class 9 Solutions Chapter 12 MCQs\u00a0relevant?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The solutions are relevant as they are designed by the subject matter experts. \u00a0<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1631303185487\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"how-many-questions-exist-in-rd-sharma-class-9-solutions-chapter-12-mcqs\"><\/span>How many questions exist in RD Sharma Class 9 Solutions Chapter 12 MCQs?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>There are 20 questions in\u00a0RD Sharma Class 9 Solutions for Chapter 12 MCQs.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>RD Sharma Class 9 Solutions Chapter 12 MCQs:&nbsp;MCQs can be pretty tricky when you don&#8217;t know the easiest and quickest method to solve them. But you can do it with the help of RD Sharma Class 9 Solutions Chapter 12 MCQs. You can see how easy and understandable the solutions are. Subject matter experts have &#8230; <a title=\"RD Sharma Class 9 Solutions Chapter 12 MCQs (Updated for 2024)\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-9-solutions-chapter-12-mcqs\/\" aria-label=\"More on RD Sharma Class 9 Solutions Chapter 12 MCQs (Updated for 2024)\">Read more<\/a><\/p>\n","protected":false},"author":243,"featured_media":126791,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[73411],"tags":[3086,4388],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/126789"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/243"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=126789"}],"version-history":[{"count":4,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/126789\/revisions"}],"predecessor-version":[{"id":500419,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/126789\/revisions\/500419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/126791"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=126789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=126789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=126789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}