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Complementary angles: Two angles are called Complementary angles if their sum is \(90°\).
Example:
The angle pair \(35°\) and \(55°\) are complementary, where the angle \(35°\) is said to complement of the other angle \(55°\), and vice versa.
 
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Supplementary angles: Two angles are called Supplementary angles if their sum is \(180°\).
Example:
\(180°\) is the sum of the angle whose measures \(70°\) and \(110°\) given in the figure. When two angles are supplementary, it is said that each angle is the addition of the other.
 
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