Question

In triangle ABC, if bisectors of Angle ABC and ACB intersect at O at angle of 120 degree, then find the measure of angle A

Answer 1

Answer:

We have,

∠BOC=90 +1/2 ∠A⇒120 =90

1/2 ∠A⇒∠A=60

∴∠A+∠B+∠C=180

⇒60 +2∠B=180

Hence, ∠A=∠B=∠C=60

Answer 2

Explanation:

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