Mathematics

Find the supplement of the angle :$\dfrac{2}{5}$ of a right angle

$144$

SOLUTION
Two angles are supplementary if their sum is $180^0$.
If one angle is $\dfrac {2}{5}$ of a right angle, then other angle is $180-\left(\dfrac {2}{5}\times 90\right)=180-(2\times 18)=180-36=144^0$.

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Single Correct Medium Published on 09th 09, 2020
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