In fig., if PA and PB are tangents to the circle with centre O such that ∠APB = 50°, then ∠OAB is equal to:
A. 25°
B. 30°
C. 40°
D. 50°
Answer:A
In fig., if PA and PB are tangents to the circle with centre O such that ∠APB = 50°, then ∠OAB is equal to:
A. 25° B. 30° C. 40° D. 50°