107. If opposite angles of a quadrilateral are equal, it must be a parallelogram. 107. If opposite angles of a quadrilateral are equal it must be a parallelogram. July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related