In the given figure, O is the centre of the circle. If the angless ∠AOB, ∠OAC are 160° and 50° respectively, then the value of ∠BAC is:
1
35°
2
30°
3
40°
4
55°
In the given figure, O is the centre of the circle. If the angless ∠AOB, ∠OAC are 160° and 50° respectively, then the value of ∠BAC is: