In ΔABC, the external bisectors of the angles ∠B and ∠C meet at the point O

Question

In ΔABC, the external bisectors of the angles ∠B and ∠C meet at the point O. If ∠A = 70°, then the measure of ∠BOC is :

Options:

A . 75°

B . 50°

C . 55°

D . 60°

Answer: Option C

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