In the given figure, BOC is a diameter of a circle with centre O. If ∠BCA = 30°, then ∠CDA = ?
A. 30°
B. 45°
C. 60°
D. 50°
Answer:C
In the given figure, BOC is a diameter of a circle with centre O. If ∠BCA = 30°, then ∠CDA = ?
A. 30° B. 45° C. 60° D. 50°