If the sum of a pair of opposite angles of a quadrilateral is 180°, the quadrilateral is cyclic. Share with your friends Share 1 Pooja Khanna answered this Refer the following link : https://www.meritnation.com/ask-answer/question/if-the-sum-of-a-pair-of-opposite-angles-of-a-quadrilate/circles/4109616 0 View Full Answer Sonali answered this yes a cyclic quadrilateral is a quadrilateral whose all the 4 points are concyclic and sum of opposite angles is 180 degrees. hope u like this and all the best for ur exams... 0
