Learn how to identify different types of lines, including vertical, horizontal, parallel and perpendicular. Parallel and perpendicular lines Discover the difference between parallel and ...

Parallel lines are indicated by arrows going in the same direction. If there is more than one set of parallel lines in a diagram, different numbers ... the opposite angles are equal.

About Class 9 Maths Chapter 6 Lines and Angles Class 9 Maths Chapter 6 - Lines and Angles introduces the basic types of angles ... If a transversal intersects two parallel lines, then (i) each ...