3. In Fig. 10.37, angle PQR = 100°, where P, Q and R are points on a circle with centre O. Find angle OPR. 3. In Fig. 10.37 angle PQR = 100° Q and R are points on a circle with centre O. Find angle OPR. where P October 15, 2020 Category: Chapter 10 - Circles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related