3. AD and BC are equal perpendiculars to a line segment AB (see figure). Show that CD bisects AB. 3. AD and BC are equal perpendiculars to a line segment AB (see figure). Show that CD bisects AB. October 15, 2020 Category: Chapter 7 - Triangles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related