Question

In ∆ ABC it given that angle A = 65° and Angle B = 70°.Find angle C​

Answer 1

Answer:

Since, AB = AC, therefore, ∠B=∠C

By angle sum property of triangle,

∠A+∠B+∠C=180°

70°+2∠B=180°  

2∠B=110°

∠B=55°

Hence, ∠B=∠C=55°

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