{"id":18539,"date":"2026-05-03T17:17:39","date_gmt":"2026-05-03T11:17:39","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/rectangle-perimeter-equation-171\/"},"modified":"2026-05-03T17:17:39","modified_gmt":"2026-05-03T11:17:39","slug":"rectangle-perimeter-equation-171","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/rectangle-perimeter-equation-171\/","title":{"rendered":"Rectangle Perimeter Equation 171"},"content":{"rendered":"<p>The length of a rectangle is 10 cm more than its width. If the perimeter is 40 cm, what is the width?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>5 cm<\/li>\n<li>10 cm<\/li>\n<li>20 cm<\/li>\n<li>15 cm<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2705,2728,2537],"subject":[1425],"education_level":[1894],"class_list":["post-18539","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-geometry-and-algebra","topic-word-problems","subject-mathematics","education_level-grade-8"],"mcq_note":"Let the width be w. Then length is w + 10. Perimeter is 2(length + width), so 2((w + 10) + w) = 40. This gives 4w + 20 = 40, so w = 5 cm.","mcq_options":[{"right":"yes","answer":"5 cm"},{"right":"no","answer":"10 cm"},{"right":"no","answer":"20 cm"},{"right":"no","answer":"15 cm"}],"multi_answers":"no","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2705,"title":"Algebra","slug":"algebra"},{"id":2728,"title":"Geometry And Algebra","slug":"geometry-and-algebra"},{"id":2537,"title":"Word Problems","slug":"word-problems"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/18539","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=18539"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=18539"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=18539"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=18539"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=18539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}