Question

which of the following pairs of angles are supplementary ? (i) 110°,70° (ii) 90° 90° (iii) 50° 140°​

Answer 1

$\LARGE\textbf{\underline{\underline{\: \: \: Answer :-}}}$

$\large \: \bigstar\underline{\boxed{\textsf{i ) 110° , 70° \: \: \: \: ii ) 90° , 90° }}}$

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✪ What is the definition of ' Supplementary Angles ' :-

• The pair of angles who's sum is 180° are known as the pair of Supplementary Angles .

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✪ Let's take it with an example :-

Eg. 1. Find the Supplementary Angle of 45° :-

• Now we know the definition of the Supplementary Angles which is ' the sum of pair of two angles is 180° then they are called as the Pair of Supplementary Angles '

• So the Supplementary Angle of 45° will be equal to ( 180° - 45° ) which is equal to 135° .

• So the Supplementary Angle of 45° will be 135° .

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Eg. 2. Find the Supplementary Angle of 120° :-

• Now we know the definition of the Supplementary Angle so the Supplementary Angle of 120° will be equal to ( 180° - 120° ) which is equal to 60°

• So the Supplementary Angle of 120° will be 60° .

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✪ What is the definition of ' Complimentary Angles ' :-

• The pair of angles who's sum is 90° are known as the ' Complimentary Angles ' .