In the given figure, AOB is the diameter of a circle and CD∥AB. If ∠BAD = 30°, then ∠CAD = _____.
A30°
B60°
C45°
D50°
In the given figure, AOB is the diameter of a circle and CD∥AB. If ∠BAD = 30°, then ∠CAD = _____.
A30°
B60°
C45°
D50°