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

Then they are perpendicular

So, XY is perpendicular to AB

∴ XY ⊥ AB

Chapter 5 Class 6 Understanding Elementary Shapes

Concept wise

Last updated at April 16, 2024 by Teachoo

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

Then they are perpendicular

So, XY is perpendicular to AB

∴ XY ⊥ AB