If the angles A, B and C of △ABC satisfy the relation B – A = C � – InterviewSolution

1.

If the angles A, B and C of △ABC satisfy the relation B – A = C – B, then find the measure of ∠B.

Answer»

Sum of angles of a triangle = 180°

A + B + C = 180° …(1)

B – A = C – B …(Given)

2B = C + A …(2)

(1) => 2B + B = 180°

3B =180°

Or B = 60°

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