Question
Class 7MathematicsThe Triangle and Its Properties

In ΔABC, AC = BC and ∠C = 110°. Find ∠A and ∠B.

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Verified Answer

Let ∠A = ∠B = x° (Angle opposite to equal sides of a triangle are equal)

x + x + 110° = 180°

⇒ 2x + 110° = 180°

⇒ 2x = 180° – 110°

⇒ 2x = 70°

⇒ x = 35°

Thus, ∠A = ∠B = 35°