{"id":20163,"date":"2026-05-22T00:26:44","date_gmt":"2026-05-21T18:26:44","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/using-22-7-find-the-area-of-a-circle-with-radius-15-cm\/"},"modified":"2026-05-22T00:26:44","modified_gmt":"2026-05-21T18:26:44","slug":"using-22-7-find-the-area-of-a-circle-with-radius-15-cm","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/using-22-7-find-the-area-of-a-circle-with-radius-15-cm\/","title":{"rendered":"Using \u03c0 = 22\/7, find the area of a circle with radius 15 cm."},"content":{"rendered":"<p>Using \u03c0 = 22\/7, find the area of a circle with radius 15 cm.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>722.14 cm\u00b2<\/li>\n<li>94.29 cm\u00b2<\/li>\n<li>707.14 cm\u00b2<\/li>\n<li>225 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":[2494],"class_list":["post-20163","mcq","type-mcq","status-publish","hentry","topic-area-of-circle","subject-mensuration","education_level-grade-6"],"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":"722.14 cm\u00b2"},{"right":"no","answer":"94.29 cm\u00b2"},{"right":"yes","answer":"707.14 cm\u00b2"},{"right":"no","answer":"225 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\/20163","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=20163"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=20163"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=20163"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=20163"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=20163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}