In ΔABC, ∠A = 40°. If the bisectors of the ∠B and ∠C, meet at a point O, then ∠BOC is equal to∶

In ΔABC, ∠A = 40°. If the bisectors of the ∠B and ∠C, meet at

1.	In ΔABC, ∠A = 40°. If the bisectors of the ∠B and ∠C, meet at a point O, then ∠BOC is equal to∶
A.	130°
B.	90°
C.	70°
D.	110°
Answer» E.

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In ΔABC, ∠A = 40°. If the bisectors of the ∠B and ∠C, meet at a point O, then ∠BOC is equal to∶

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