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In a triangle ABC a b c denote the lengths of the sides BC CA AB If D is the midpoint of the side BC and AD is perpendicular to AC then

In a triangle ABC a b c denote the lengths of the sides BC CA AB If D is the midpoint of the side BC and AD is perpendicular to AC then

In a triangle ABC, a, b ,c denote the lengths of the sides BC, CA, AB.If D is the midpoint of the side BC and AD is perpendicular to AC, then A) 3b2 = a2-c2 B) 3a2 = b2-3c2 C) b2 = a2-c2 D) a2 + b2 = 5c2 E) none of these

 
rahul 09-Aug-2020

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