9. In Fig. 10.8, BC is a diameter of the circle and ∠BAO = 60º. Then ∠ADC is equal to : 9. In Fig. 10.8 BC is a diameter of the circle and ∠BAO = 60º. Then ∠ADC is equal to : July 2, 2021 Category: Chapter 10 - Circles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related