Question

In a cyclic □ ABCD, m∠A=72° ,then find m∠C=?​

Answer 1

Answer:

ABCD is cyclic____(Given)

angle A = 72°

Opposite angle of cyclic quadrilateral are supplementary____( Cyclic quadrilateral theorem)

angle A + angle C = 180°

72° +angle C = 180°

angle C =180°- 72°

angle C = 108°