Source: Exemplar
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 140º, then ∠BAC is equal to:
Options
Option A
80°
Option B is correct
50°
Option C
40°
Option D
30°
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 140º, then ∠BAC is equal to:
80°
50°
40°
30°