Example 1 In Fig, lines PQ and RS intersect each other at point O. If ∠ POR : ∠ ROQ = 5 : 7, find all the angles. Example 1 In Fig find all the angles. lines PQ and RS intersect each other at point O. If ∠ POR : ∠ ROQ = 5 : 7 October 15, 2020 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related