If ∠ACD=50o, the Measure of ∠BAD is :
ABCD is a cyclic quadrilateral, AB is the diameter of the circle. If ∠ACD=50o, the measure of ∠BAD is
- 130o
- 40o
- 50o
- 140o
ABCD is a cyclic quadrilateral, AB is the diameter of the circle. If ∠ACD=50o, the measure of ∠BAD is