Check sibling questions
Chapter 4 Class 6 Basic Geometrical Ideas
Concept wise


Angle is formed between two rays with a common end point.

Angles - Part 2

The common end point is called vertex of the angle

and the rays are called arms of the angle.


How do we name the angle?

Suppose the angle is

Angles - Part 3

We can call it

  ∠ B


  ∠ ABC   

Symbol of angle → ∠



Interior and Exterior of an angle

Let us take the angle

Angles - Part 4



Angles - Part 5

X, Y is in interior of ∠ABC

Z is on  ∠ABC

P, Q is in exterior of  ∠ABC

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.