16. In Fig.10.14, ∠ACB = 40º. Find ∠OAB. ∠ACB = 40º. Find ∠OAB. 16. In Fig.10.14 July 2, 2021 Category: Chapter 10 - Circles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related