Supplementary Angles


 
 
Concept Explanation
 

Supplementary Angles

When the sum of two angles is 180° then they are said to be Supplementary Angles.

Two Angles are Supplementary when they add up to 180 degrees

 

supplementary angles 40 and 140

Illustration: Find supplementary angle of 43°.

Solution: Let the angle be x:

x + 43 = 180:   

x = 180 - 43 = 137°

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Sample Questions
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Question : 1

Which of the following pairs of angles will be supplementary?

Right Option : D
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Explanation
Question : 2

The supplement of 125^{0}  is _________________.

Right Option : C
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Explanation
Question : 3

The supplement of 20^{0} is ________________.

Right Option : A
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Explanation
 
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