{"id":20183,"date":"2026-05-22T00:28:32","date_gmt":"2026-05-21T18:28:32","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/using-22-7-find-the-area-of-a-circle-with-radius-15-cm-use-it-for-a-homework-diagram\/"},"modified":"2026-05-22T00:28:32","modified_gmt":"2026-05-21T18:28:32","slug":"using-22-7-find-the-area-of-a-circle-with-radius-15-cm-use-it-for-a-homework-diagram","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/using-22-7-find-the-area-of-a-circle-with-radius-15-cm-use-it-for-a-homework-diagram\/","title":{"rendered":"Using \u03c0 = 22\/7, find the area of a circle with radius 15 cm. Use it for a homework diagram."},"content":{"rendered":"<p>Using \u03c0 = 22\/7, find the area of a circle with radius 15 cm. Use it for a homework diagram.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>94.29 cm\u00b2<\/li>\n<li>722.14 cm\u00b2<\/li>\n<li>707.14 cm\u00b2<\/li>\n<li>47.14 cm\u00b2<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2851],"subject":[2746],"education_level":[2495],"class_list":["post-20183","mcq","type-mcq","status-publish","hentry","topic-area-of-circle","subject-mensuration","education_level-grade-7"],"mcq_note":"Area of a circle = \u03c0 \u00d7 r\u00b2 = 3.14286 \u00d7 15 \u00d7 15 = 707.143 cm\u00b2. The radius is used twice in r\u00b2, so be careful not to use the diameter directly in this formula. Squaring the radius means multiplying the radius by itself before multiplying by \u03c0. This formula measures the flat surface inside the circle, so the final unit must be a square unit such as cm\u00b2.","mcq_options":[{"right":"no","answer":"94.29 cm\u00b2"},{"right":"no","answer":"722.14 cm\u00b2"},{"right":"yes","answer":"707.14 cm\u00b2"},{"right":"no","answer":"47.14 cm\u00b2"}],"multi_answers":"no","subject_terms":[{"id":2746,"title":"Mensuration","slug":"mensuration"}],"topic_terms":[{"id":2851,"title":"Area of Circle","slug":"area-of-circle"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/20183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=20183"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=20183"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=20183"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=20183"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=20183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}