{"id":11513,"date":"2022-07-12T23:15:08","date_gmt":"2022-07-12T17:45:08","guid":{"rendered":"https:\/\/mathemerize.com\/?p=11513"},"modified":"2022-07-12T23:15:12","modified_gmt":"2022-07-12T17:45:12","slug":"tick-the-correct-answer-and-justify-in-triangle-ab-6sqrt3-cm-ac-12-cm-and-bc-6-cm-the-angle-is-i-120-ii-60-iii-90-iv-45","status":"publish","type":"post","link":"https:\/\/mathemerize.com\/tick-the-correct-answer-and-justify-in-triangle-ab-6sqrt3-cm-ac-12-cm-and-bc-6-cm-the-angle-is-i-120-ii-60-iii-90-iv-45\/","title":{"rendered":"Tick the correct answer and justify : In \\(\\triangle\\), AB = \\(6\\sqrt{3}\\) cm, AC = 12 cm and BC = 6 cm. The angle is : (i) 120 (ii) 60 (iii) 90 (iv) 45"},"content":{"rendered":"

Solution :<\/h2>\n

In triangle ABC, we have :\"triangle\"<\/p>\n

AB = \\(6\\sqrt{3}\\) cm , AC = 12 cm<\/p>\n

and BC = 6 cm<\/p>\n

Now, \\({AB}^2\\) + \\({BC}^2\\) = \\((6\\sqrt{3})^2\\) + \\((6)^2\\)<\/p>\n

= \\(36 \\times 3\\) + 36 = 108 + 36 = 144 = \\((AC)^2\\)<\/p>\n

Thus, triangle ABC is a right angled triangle at B.<\/p>\n

\\(\\therefore\\)\u00a0 \\(\\angle\\) B = 90<\/p>\n","protected":false},"excerpt":{"rendered":"

Solution : In triangle ABC, we have : AB = \\(6\\sqrt{3}\\) cm , AC = 12 cm and BC = 6 cm Now, \\({AB}^2\\) + \\({BC}^2\\) = \\((6\\sqrt{3})^2\\) + \\((6)^2\\) = \\(36 \\times 3\\) + 36 = 108 + 36 = 144 = \\((AC)^2\\) Thus, triangle ABC is a right angled triangle at B. \\(\\therefore\\)\u00a0 …<\/p>\n

Tick the correct answer and justify : In \\(\\triangle\\), AB = \\(6\\sqrt{3}\\) cm, AC = 12 cm and BC = 6 cm. The angle is : (i) 120 (ii) 60 (iii) 90 (iv) 45<\/span> Read More »<\/a><\/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":"\nTick the correct answer and justify : In \\(\\triangle\\), AB = \\(6\\sqrt{3}\\) cm, AC = 12 cm and BC = 6 cm. The angle is : (i) 120 (ii) 60 (iii) 90 (iv) 45 - Mathemerize<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathemerize.com\/tick-the-correct-answer-and-justify-in-triangle-ab-6sqrt3-cm-ac-12-cm-and-bc-6-cm-the-angle-is-i-120-ii-60-iii-90-iv-45\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tick the correct answer and justify : In \\(\\triangle\\), AB = \\(6\\sqrt{3}\\) cm, AC = 12 cm and BC = 6 cm. The angle is : (i) 120 (ii) 60 (iii) 90 (iv) 45 - Mathemerize\" \/>\n<meta property=\"og:description\" content=\"Solution : In triangle ABC, we have : AB = (6sqrt{3}) cm , AC = 12 cm and BC = 6 cm Now, ({AB}^2) + ({BC}^2) = ((6sqrt{3})^2) + ((6)^2) = (36 times 3) + 36 = 108 + 36 = 144 = ((AC)^2) Thus, triangle ABC is a right angled triangle at B. 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