Question
Mathematics Question on Some More Criteria for Congruence of Triangles
ABC is an isosceles triangle with AB=AC. Draw AP⊥BC to show that ∠B = ∠C.
Answer
In ∆APB and ∆APC,
∠APB = ∠APC (Each 90º)
AB =AC (Given)
AP = AP (Common)
∠∆APB ≅ ∠∆APC (Using RHS congruence rule)
∠B = C (By using CPCT)