If angle between two lines is 90° (right angle)
Then they are perpendicular
So, XY is perpendicular to AB
∴ XY ⊥ AB
Perpendicular Lines
Last updated at March 11, 2019 by Teachoo
Chapter 5 Class 6 Understanding Elementary Shapes
Concept wise
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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.