In trapezium ABCD, AB || DC. E and F are points on non-parallel sides AD and BC respectively such that EF || AB. Show that AE/BF = ED/FC. AB || DC. E and F are points on non-parallel sides AD and BC respectively such that EF || AB. Show that AE/BF = ED/FC. In trapezium ABCD October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related