4. How many triangles can be drawn having its angles as 45°, 64° and 72°? Give reason for your answer. 4. How many triangles can be drawn having its angles as 45° 64° and 72°? Give reason for your answer. June 29, 2021 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related