In triangle ABC AB is equal to AC and a is equals A =100degree then find B&C
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Given - AB=AC
∠ B=700
To Find - ∠A
Solution - AB=AC
∠C=∠B (Isosceles triangle property)
Let ∠B=∠C=x
∠A + ∠B + ∠C = 1800 (Angle sum property)
∠A + 700 + x = 1800
∠A + 700 + 700 = 1800
∠A + 1400 = 1800
∠A = 1800 - 1400
∠A = 400
∠ B=700
To Find - ∠A
Solution - AB=AC
∠C=∠B (Isosceles triangle property)
Let ∠B=∠C=x
∠A + ∠B + ∠C = 1800 (Angle sum property)
∠A + 700 + x = 1800
∠A + 700 + 700 = 1800
∠A + 1400 = 1800
∠A = 1800 - 1400
∠A = 400
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