Abcd Cyclic Quadrilateral Such Diameter Circle Circumscribing В€ Adc 140в° Then В€ Bac Equal

ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 140°, then ∠BAC is … …

Answers:

(b) Given, ABCD is a cyclic quadrilateral and ∠ADC = 140°.
We know that, sum of the opposite angles in a cyclic quadrilateral is 180°.