A, B and C are the three points on a circle such that the angles subtended by the chords AB and AC at the centre O are 90° and 110° respectively. ∠BAC is equal to

A, B and C are the three points on a circle such that the angles subte

1.	A, B and C are the three points on a circle such that the angles subtended by the chords AB and AC at the centre O are 90° and 110° respectively. ∠BAC is equal to
A.	70°
B.	80°
C.	90°
D.	100°
Answer» C. 90°

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