In the following figure, if PQR is the tangent to a circle at Q whose centre is O, AB is a chord parallel to PR and ∠BQR = 70°, then ∠AQB is equal to
A. 20°
B. 40°
C. 35°
D. 45°
Answer:B
In the following figure, if PQR is the tangent to a circle at Q whose centre is O, AB is a chord parallel to PR and ∠BQR = 70°, then ∠AQB is equal to
A. 20° B. 40° C. 35° D. 45°
Explanation: In the given figure