Mathematics

In figure, $POQ$ is a line, then $a$ is equal to

$80^o$

SOLUTION
We can see in the given figure, $POQ$ is a straight line
$\therefore \angle ROQ +\angle POR=180^o$
$\Rightarrow 100^o +a=180^o$
$\Rightarrow a=180^o-100^o$
$\Rightarrow a=80^o$
Hence, Option $C$ is correct.

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Single Correct Medium Published on 09th 09, 2020
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