{"id":19426,"date":"2026-05-20T18:35:17","date_gmt":"2026-05-20T12:35:17","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/composite-area-rectangle-minus-square-18x10\/"},"modified":"2026-05-20T18:35:17","modified_gmt":"2026-05-20T12:35:17","slug":"composite-area-rectangle-minus-square-18x10","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/composite-area-rectangle-minus-square-18x10\/","title":{"rendered":"Composite Area Rectangle Minus Square 18&#215;10"},"content":{"rendered":"<p>A 18 cm by 10 cm rectangle has a square corner of side 3 cm removed. What is the remaining area?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>180 cm\u00b2<\/li>\n<li>9 cm\u00b2<\/li>\n<li>189 cm\u00b2<\/li>\n<li>171 cm\u00b2<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2780,2823],"subject":[2744],"education_level":[2495],"class_list":["post-19426","mcq","type-mcq","status-publish","hentry","topic-area","topic-composite-figures","subject-geometry","education_level-grade-7"],"mcq_note":"First find the rectangle area: 18 \u00d7 10 = 180 cm\u00b2. Then subtract the removed square: 3 \u00d7 3 = 9 cm\u00b2. The remaining area is 171 cm\u00b2.","mcq_options":[{"right":"no","answer":"180 cm\u00b2"},{"right":"no","answer":"9 cm\u00b2"},{"right":"no","answer":"189 cm\u00b2"},{"right":"yes","answer":"171 cm\u00b2"}],"multi_answers":"no","subject_terms":[{"id":2744,"title":"Geometry","slug":"geometry"}],"topic_terms":[{"id":2780,"title":"Area","slug":"area"},{"id":2823,"title":"Composite Figures","slug":"composite-figures"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/19426","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=19426"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=19426"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=19426"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=19426"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=19426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}