D, E and F are respectively the midpoints of sides ab BC and CA of triangle ABC find the ratio of the areas of triangle DEF in triangle ABC. D E and F are respectively the midpoints of sides ab BC and CA of triangle ABC find the ratio of the areas of triangle DEF in triangle ABC. October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related