Question

abc is an isosceles triangle with ab =ac . draw ap perpendicular bc to show that angle B=angle c

Answer 1

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Answer 2

In △ABP and △ACP

AB=AC        (Given)

∠APB=∠APC        

AP=AP        (Common)

Therefore, by RHS congruence rule, △ABP≅△ACP

Hence, ∠B=∠C            (Corresponding parts of congruent triangles are equal)