Question

In ∆ABC angle A = 120° & AB = AC
Find angle B and angle C.

Answer 1

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Answer 2

Hey friend..here is your answer ...

As triangle ABC is isosceles triangle because AB=AC given.So angle B=angle C.

Now,
A + B + C= 180°
120° + B + B = 180°
2B= 60°
B = 30°
B = C = 30°.

So, angle B = angle C = 30°.

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thanx for asking...