\(x\) is 50°. Corresponding angles are equal. \(y\) is 180° - 50° = 130°. Angles on a straight line add up to 180°.

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.

Why not see how much you know about this topic already? Then work through the page and see if you can beat your score. Parallel lines are the same distance apart from each other all the way along ...

1. Two angles and two planes. This drawing is marked: 2A-2PL*. Compare model 1979.0102.262. 2. Line perpendicular to two skew lines . A mark reads: L {perpendicular}2SL* For an example of the model, ...