Question

In a ΔABC, AB = AC and ∠A = 50°. Find ∠B and ∠C.

Answer 1

Given: AB = AC and ∠A = 50°

To Find: ∠B and ∠C

AB = AC (Given)

∠B = ∠C (Angles opposite to equal sides are equal)

In:

∠A + ∠B + ∠C = 180°

50° + ∠B + ∠C = 180°

2∠C = 130°

∠C = 65° = ∠B