{"id":20957,"date":"2026-05-25T16:49:51","date_gmt":"2026-05-25T10:49:51","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/triangle-area-with-base-and-height-9\/"},"modified":"2026-05-25T16:49:51","modified_gmt":"2026-05-25T10:49:51","slug":"triangle-area-with-base-and-height-9","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/triangle-area-with-base-and-height-9\/","title":{"rendered":"Triangle Area with Base and Height"},"content":{"rendered":"<p>A triangle has base 40 mm and perpendicular height 11 mm. What is its area?<\/p>\n<ul class=\"quiz-options\">\n<li>220 mm\u00b2<\/li>\n<li>440 mm\u00b2<\/li>\n<li>25.5 mm\u00b2<\/li>\n<li>51 mm\u00b2<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2843,2874],"subject":[2746],"education_level":[1894],"class_list":["post-20957","mcq","type-mcq","status-publish","hentry","topic-area-of-triangle","topic-plane-figures","subject-mensuration","education_level-grade-8"],"mcq_note":"Area of a triangle is 1\/2 \u00d7 base \u00d7 height. So area = 1\/2 \u00d7 40 \u00d7 11 = 220 square mm. The height must be perpendicular to the base. A triangle is half of a rectangle or parallelogram with the same base and perpendicular height, so we divide by 2. Always use the perpendicular height, not a slant side, when calculating area. So the correct choice is 220 mm\u00b2.","mcq_options":[{"right":"yes","answer":"220 mm\u00b2"},{"right":"no","answer":"440 mm\u00b2"},{"right":"no","answer":"25.5 mm\u00b2"},{"right":"no","answer":"51 mm\u00b2"}],"multi_answers":"no","subject_terms":[{"id":2746,"title":"Mensuration","slug":"mensuration"}],"topic_terms":[{"id":2843,"title":"Area of Triangle","slug":"area-of-triangle"},{"id":2874,"title":"Plane Figures","slug":"plane-figures"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/20957","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=20957"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=20957"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=20957"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=20957"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=20957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}