ABCD is a cyclic quadrilateral and AB is the diameter of the circle. If ∠ADC = 140°, then what is the value (in degrees) of ∠BAC?
1
50
2
70
3
120
4
45
ABCD is a cyclic quadrilateral and AB is the diameter of the circle. If ∠ADC = 140°, then what is the value (in degrees) of ∠BAC?