ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 140º, then ∠BAC is equal to:
A. 30º
B. 40º
C. 50º
D. 80º
Answer:C
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 140º, then ∠BAC is equal to:
A. 30º B. 40º C. 50º D. 80º
Explanation: Given that ABCD is a cyclic quadrilateral and ∠ADC = 140º.