We studied that

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1 revolution = Full angle

Acute, Obtuse, Reflex Angles - Part 2

1/4 revolution = Right Angle

Acute, Obtuse, Reflex Angles - Part 3

1/2 revolution = Straight angle

 

Now,

  Acute angle is less than right angle.

Acute, Obtuse, Reflex Angles - Part 4

 

Other examples are

Acute, Obtuse, Reflex Angles - Part 5

 

Obtuse Angles

Obtuse angle is angle greater than a right angle but smaller than a straight angle.

Acute, Obtuse, Reflex Angles - Part 6

 

 

Other examples are

Acute, Obtuse, Reflex Angles - Part 7

 

Reflex Angles

Reflex angle is greater than a straight angle

Acute, Obtuse, Reflex Angles - Part 8

 

Other examples are

Acute, Obtuse, Reflex Angles - Part 9

 

  1. Chapter 5 Class 6 Understanding Elementary Shapes
  2. 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.