9. Find angles between the lines sqrt 3x + y = 1 and x + sqrt 3y = 1. 9. Find angles between the lines sqrt 3x + y = 1 and x + sqrt 3y = 1. October 30, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related