8. In Fig. 9.7, if PA and PB are tangents to the circle with centre O such that ∠APB = 50°, then ∠OAB is equal to 8. In Fig. 9.7 if PA and PB are tangents to the circle with centre O such that ∠APB = 50° then ∠OAB is equal to July 5, 2021 Category: Chapter 10 - Circles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related