14. Opposite angles of a quadrilateral ABCD are equal. If AB = 4 cm, determine CD. 14. Opposite angles of a quadrilateral ABCD are equal. If AB = 4 cm determine CD. July 1, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related