Math, asked by shivam3845, 11 months ago

please tell me answer

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Answered by gishavarghese1717

0

In a ∆ABC,

angle C =3

angle B = 2(angle A + angle B)

A + B + C = 180°

A +【2(A+B)】+ 3 = 180°

A + 2A + 2B + 3 = 180°

3A + 2B + 3 = 180°

3A + 2B = 180 - 3 = 177

So, 3A +2B = 177

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