Then prove that ∠BOC = 90 degree + 1/2∠A.

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Bisector of angles ∠B and ∠C of a triangle ABC intersect each other at a point O, Then prove that ∠BOC = 90 degree + 1/2∠A.
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Bisector of angles ∠B and ∠C of a triangle ABC intersect each other at a point O, Then prove that ∠BOC = 90 degree + 1/2∠A. Bisector of angles ∠B and ∠C of a triangle ABC intersect each other at a point O Then prove that ∠BOC = 90 degree + 1/2∠A. June 30, 2021 [...]
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