Calculate the value of ∠OBC + ∠BAC, if O is the circum centre of the triangle ABC inscribed in the circle.

Calculate the value of ∠OBC + ∠BAC, if O is the circum centre of t

1.	Calculate the value of ∠OBC + ∠BAC, if O is the circum centre of the triangle ABC inscribed in the circle.
A.	60o
B.	90o
C.	120o
D.	130o
Answer» C. 120o

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Calculate the value of ∠OBC + ∠BAC, if O is the circum centre of the triangle ABC inscribed in the circle.

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