8. In ∆ABC, AB = 5 cm, BC = 8 cm and CA = 7 cm. If D and E are respectively the mid-points of AB and BC, determine the length of DE. 8. In ∆ABC AB = 5 cm BC = 8 cm and CA = 7 cm. If D and E are respectively the mid-points of AB and BC determine the length of DE. July 1, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related