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Question -

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 atriangle = 1800

A + B + C = 1800 …(1)

B – A = C – B …(Given)

2B = C + A …(2)

(1) => 2B + B = 1800

3B =1800

Or B = 600

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