Question

In a right-angled triangle the bisectors of angle C and B meet at O
find the angle measure of angle COB.​

Answer 1

Step-by-step explanation:

<B+∠C=180–∠A=180–60=120∘

Now in the △BOC

1/2∠B+1/2∠C+∠BOC=180∘

=12/(∠B+∠C)+∠BOC=180∘

∠BOC=180–1/2∗120=180∘–60∘

∠BOC=120∘

Answer 2

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