3. A, B and C are three points on a circle. Prove that the perpendicular bisectors of AB, BC and CA are concurrent. 3. A B and C are three points on a circle. Prove that the perpendicular bisectors of AB BC and CA are concurrent. July 2, 2021 Category: Chapter 10 - Circles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related