{"id":11418,"date":"2022-07-08T22:56:35","date_gmt":"2022-07-08T17:26:35","guid":{"rendered":"https:\/\/mathemerize.com\/?p=11418"},"modified":"2022-07-08T22:56:40","modified_gmt":"2022-07-08T17:26:40","slug":"tick-the-correct-answer-and-justify-abc-and-bde-are-two-equilateral-triangles-such-that-d-is-the-mid-point-of-bc-ratio-of-the-areas-of-triangles-abc-and-bde-is-a-2-1-b-1-2-c-4-1-d","status":"publish","type":"post","link":"https:\/\/mathemerize.com\/tick-the-correct-answer-and-justify-abc-and-bde-are-two-equilateral-triangles-such-that-d-is-the-mid-point-of-bc-ratio-of-the-areas-of-triangles-abc-and-bde-is-a-2-1-b-1-2-c-4-1-d\/","title":{"rendered":"Tick the correct answer and justify : ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Ratio of the areas of triangles ABC and BDE is (a) 2 : 1 (b) 1 : 2 (c) 4 : 1 (d) 1 : 4"},"content":{"rendered":"
Since \\(\\triangle\\) ABC and BDE are equilateral triangles, they are equiangular and hence<\/p>\n
\\(\\triangle\\) ABC ~ \\(\\triangle\\) BDE<\/p>\n
So, \\(area(\\triangle ABC)\\over area(\\triangle BDE)\\) = \\({BC}^2\\over {BD}^2\\)<\/p>\n
or\u00a0 \\(area(\\triangle ABC)\\over area(\\triangle BDE)\\) = \\({2BD}^2\\over {AC}^2\\)<\/p>\n
\\(\\implies\\)\u00a0 \\(area(\\triangle ABC)\\over area(\\triangle BDE)\\) = \\(4\\over 1\\)<\/p>\n
\\(\\therefore\\) (d) is the correct answer.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" Solution : Since \\(\\triangle\\) ABC and BDE are equilateral triangles, they are equiangular and hence \\(\\triangle\\) ABC ~ \\(\\triangle\\) BDE So, \\(area(\\triangle ABC)\\over area(\\triangle BDE)\\) = \\({BC}^2\\over {BD}^2\\) or\u00a0 \\(area(\\triangle ABC)\\over area(\\triangle BDE)\\) = \\({2BD}^2\\over {AC}^2\\) \\(\\implies\\)\u00a0 \\(area(\\triangle ABC)\\over area(\\triangle BDE)\\) = \\(4\\over 1\\) \\(\\therefore\\) (d) is the correct answer.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[43,912],"tags":[],"yoast_head":"\n