Mathematics

The complement of $(90^0-a)$ is :

$a$

SOLUTION
Let the complement be $y$
Two angles are complementary if their sum is ${ 90 }^{ \circ }$
$\therefore { 90 }^{ \circ }-a+y={ 90 }^{ \circ }\\ \Rightarrow y=a$
So option $D$ is correct.

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Single Correct Medium Published on 09th 09, 2020
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