166. Both the pairs of opposite angles of a quadrilateral are equal and supplementary. Find the measure of each angle. 166. Both the pairs of opposite angles of a quadrilateral are equal and supplementary. Find the measure of each angle. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related