When a pair of parallel lines meet an intersecting transversal, pairs of angles with particular properties are made.

Parallel lines are lines that never cross each other - they keep the same distance apart from each other. When two lines intersect, the opposite (X) angles are equal.

Class 9 Maths Chapter 6 Lines and Angles is available here for download in PDF format. We have provided here the latest edition of the chapter which is published by the NCERT on its official website.

If you draw straight lines connecting those cities to make a triangle on the surface of the globe, you will find that the interior angles of that triangle add up to more than 180 degrees.

CBSE Class 9 Maths Chapter 6 Lines and Angles Extra Questions for 2020-21. Practice with these important questions to perform well in your Maths exam.