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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 :
Answer & Solution
Correct Answer:
Option
C
As we know
⇒ The external bisectors of the angle ∠B and ∠C meet at the point O
∠BOC = 90° - $$\frac{{\angle A}}{2}$$
∠BOC = 90° - $$\frac{{70}}{2}$$
∠BOC = 90° - 35°
∠BOC = 55°
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