Question

Prove that the bisector of the vertical angle of isoceles triangle is perpendicular to the base.

Answer 1

let abc be an isoceles triangle in which Ab= Ac
Ad is bisector of the vertical angle then we have to prove that AD IS perpendicular to BC.

Proof:- IN angle ABD and ACD
AB= AC
AD=AD
SAS CONGRUENCE condition

Answer 2

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