Identify which of the following pairs of angles are complementary and which are supplementary: $45 °$ , $45 °$

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Solution

Determine the relationship between the given pair of angles
If the sum of two angles is $90 °$ , they are said to be complementary to each other.
If the sum of two angles is $180 °$ , they are said to be supplementary to each other.
Given angles are, $45 °$ and $45 °$ .
Their sum is,
$45 + 45 = 90 °$
Therefore, the given pair of angles are complementary.

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