2. In the given figure, ∠1 = 60° and ∠6 = 120°. Show that the lines m and n are parallel. ∠1 = 60° and ∠6 = 120°. Show that the lines m and n are parallel. 2. In the given figure June 30, 2021 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related 3. AP and BQ are the bisectors of the two alternate interior angles formed by the intersection of a transversal t with parallel lines l and m (in the given figure). Show that AP || BQ.6. In the given figure, find the value of x for which the lines l and m are parallel.In the given figure, m and n are two plane mirrors perpendicular to each other. Show that the incident ray CA is parallel to the reflected ray BD.
