For the question given below,four alternative choices have been provided of which only one is correct. You have to select the correct choice:In Fig. 1, O is the centre of the circle and ∠OBA = 60°. Then ∠ACB equals:(a) 60°(b) 45°(c) 30°(d) 90°

For the question given below,four alternative choices have been provid

1.	For the question given below,four alternative choices have been provided of which only one is correct. You have to select the correct choice:In Fig. 1, O is the centre of the circle and ∠OBA = 60°. Then ∠ACB equals:(a) 60°(b) 45°(c) 30°(d) 90°
Answer» For the question given below,four alternative choices have been provided of which only one is correct. You have to select the correct choice: In Fig. 1, O is the centre of the circle and ∠OBA = 60°. Then ∠ACB equals: (a) 60° (b) 45° (c) 30° (d) 90°