If a chord AB subtends an angle of 60° at the centre of a circle, then angle between the tangents at A and B is:
A. 60°
B. 120°
C. 80°
D. 100°
Answer:A
If a chord AB subtends an angle of 60° at the centre of a circle, then angle between the tangents at A and B is:
A. 60° B. 120° C. 80° D. 100°
Explanation: Observe the figure