Question

In a triangle ABC, if  A =  C and exterior angle ABX = 140° . than the angles of triangle are :​

Answer 1

Answer:

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Answer 2

Solution:-

∠ABC =180-140= 40°

∠ABC+ 2∠A=180°

40+ 2∠A= 180

2∠A= 140

∠A=70

THEREFORE ∠C=∠ 70

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