In ΔABC, ∠A = 50°. Its sides AB and AC are produced to the point D and E. If the bisectors of ∠CBD and ∠BCE meet at the point O, then ∠BOC is equal to∶

In ΔABC, ∠A = 50°. Its sides AB and AC are produced to the point D

1.	In ΔABC, ∠A = 50°. Its sides AB and AC are produced to the point D and E. If the bisectors of ∠CBD and ∠BCE meet at the point O, then ∠BOC is equal to∶
A.	75°
B.	65°
C.	55°
D.	40°
Answer» C. 55°

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In ΔABC, ∠A = 50°. Its sides AB and AC are produced to the point D and E. If the bisectors of ∠CBD and ∠BCE meet at the point O, then ∠BOC is equal to∶

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