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Find the side of the square whose perimeter is $ 20 \mathrm{~m} $.
To do:
We have to find the side of the square.
Solution:
We know that,
The perimeter of a square with side $a$ is $4a$.
Therefore,
$20\ m = 4\times$ each side of the square
Each side of the square $ =\frac{20\ m}{4}$
$ =5\ m$
The side of the square is $ 5\ m$.
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