In ΔABC, OB and OC are the bisectors of ∠B and ∠C respectively. Then the value of ∠BOC is

\({90^ \circ } - \frac{1}{2}\angle BAC\)

\({180^ \circ } - \frac{1}{2}\angle BAC\)

\({90^ \circ } + \frac{1}{2}\angle BAC\)

In ΔABC, OB and OC are the bisectors of ∠B and ∠C respectively.

1.	In ΔABC, OB and OC are the bisectors of ∠B and ∠C respectively. Then the value of ∠BOC is
A.	\({90^ \circ } - \frac{1}{2}\angle BAC\)
B.	\({180^ \circ } - \frac{1}{2}\angle BAC\)
C.	\({90^ \circ } + \frac{1}{2}\angle BAC\)
D.	None of the above
Answer» D. None of the above

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In ΔABC, OB and OC are the bisectors of ∠B and ∠C respectively. Then the value of ∠BOC is

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