Unlabelled Protractor

Last updated at July 22, 2025 by

[Class 6] Unlabelled protactor - (Ganita Prakash) - Teachoo - Protractor

part 2 - Unlabelled Protractor - Protractor - Chapter 2 Class 6 - Lines And Angles (Ganita Prakash) - Class 6 (Ganit Prakash)
part 3 - Unlabelled Protractor - Protractor - Chapter 2 Class 6 - Lines And Angles (Ganita Prakash) - Class 6 (Ganit Prakash)

 

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Transcript

Unlabelled Protractor To find degree, we divided the circle into 360 parts Now, to find any angle, we use Protractor This protractor doesn’t have any labels, can you label it? Labelling unlabeled protractor We start fixed vertex at center And fixed starting ray We notice that this is half circle i.e. 180° And the big lines are (180°)/18 = 10° And the medium line is 5° Small line is 1°

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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 15 years. He provides courses for Maths, Science and Computer Science at Teachoo