If angle between two lines is 90° (right angle)

  Then they are perpendicular


So, XY is perpendicular to AB

∴ XY ⊥ AB



Subscribe to our Youtube Channel - https://you.tube/teachoo

  1. Chapter 14 Class 6 Practical Geometry
  2. Concept wise

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.