RD Sharma Solutions for Class 9 Maths Chapter 8 Line and Angle

The pairs of lines are nothing but the two lines, which may be intersecting or parallel or perpendicular. The region between two infinitely long lines pointing a specific direction (ray) from a common point (or vertex) is termed as an angle. The complete notes on lines and angles are given, which covers the various concepts such as parallel lines, transversal, angles, intersecting lines, interior angles are explained with the examples.