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To measure any angle,

We use protector.

It is also called a ‘D’

 

How to use a protractor?

Protractor - How to measure angles with it - Part 2

Protractor - How to measure angles with it - Part 3

So, ∠ABC = 40°

How to use a protractor?

Protractor - How to measure angles with it - Part 4

Protractor - How to measure angles with it - Part 5

 

So, ∠ABC = 40°

 

Measure these angles with a protractor

Protractor - How to measure angles with it - Part 6

Protractor - How to measure angles with it - Part 7

So, ∠1 = 80°

 

 

Protractor - How to measure angles with it - Part 8

Protractor - How to measure angles with it - Part 9

So, ∠2 = 120°

 

Protractor - How to measure angles with it - Part 10

Protractor - How to measure angles with it - Part 11

So, ∠3 = 90°

 

Protractor - How to measure angles with it - Part 12

 

Protractor - How to measure angles with it - Part 13

So, ∠4 = 180°

 

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Davneet Singh's photo - Co-founder, Teachoo

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.