In ΔABC, if ∠A = 60°, ∠B = 80° and the bisectors of ∠B and ∠C meet at O, then ∠BOC = __________.

In ΔABC, if ∠A = 60°, ∠B = 80° and the bisectors of ∠B an

1.	In ΔABC, if ∠A = 60°, ∠B = 80° and the bisectors of ∠B and ∠C meet at O, then ∠BOC = __________.
A.	120°
B.	100°
C.	110°
D.	105°
Answer» B. 100°

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In ΔABC, if ∠A = 60°, ∠B = 80° and the bisectors of ∠B and ∠C meet at O, then ∠BOC = __________.

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