9. In the Fig. 5.9, we have ∠ABC = ∠ACB, ∠3 = ∠4. Show that ∠1 = ∠2. ∠3 = ∠4. Show that ∠1 = ∠2. 9. In the Fig. 5.9 we have ∠ABC = ∠ACB June 29, 2021 Category: Chapter 5 - Introduction to Euclids Geometry , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related