{"id":20843,"date":"2026-05-25T05:47:30","date_gmt":"2026-05-24T23:47:30","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/find-missing-rectangle-length-9\/"},"modified":"2026-05-25T05:47:30","modified_gmt":"2026-05-24T23:47:30","slug":"find-missing-rectangle-length-9","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/find-missing-rectangle-length-9\/","title":{"rendered":"Find Missing Rectangle Length"},"content":{"rendered":"<p>The area of a rectangle is 315 cm\u00b2 and its breadth is 7 cm. What is the length?<\/p>\n<ul class=\"quiz-options\">\n<li>45 cm<\/li>\n<li>104 cm<\/li>\n<li>322 cm<\/li>\n<li>7 cm<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2776,2836],"subject":[2746],"education_level":[1894],"class_list":["post-20843","mcq","type-mcq","status-publish","hentry","topic-area-and-perimeter","topic-area-of-rectangle","subject-mensuration","education_level-grade-8"],"mcq_note":"For a rectangle, area = length \u00d7 breadth. So length = area \u00f7 breadth = 315 \u00f7 7 = 45. The missing length is 45 cm. Notice that both measurements are lengths, but the answer is in square units because we are counting how many unit squares cover the surface. Do not add the sides here; adding sides is used for perimeter, not area. So the correct choice is 45 cm.","mcq_options":[{"right":"yes","answer":"45 cm"},{"right":"no","answer":"104 cm"},{"right":"no","answer":"322 cm"},{"right":"no","answer":"7 cm"}],"multi_answers":"no","subject_terms":[{"id":2746,"title":"Mensuration","slug":"mensuration"}],"topic_terms":[{"id":2776,"title":"Area and Perimeter","slug":"area-and-perimeter"},{"id":2836,"title":"Area of Rectangle","slug":"area-of-rectangle"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/20843","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=20843"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=20843"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=20843"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=20843"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=20843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}