Question 9

Find the side of the square whose perimeter is 20 m.

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Solution

The perimeter of a closed figure is the length of its boundary.

Perimeter of square = 4 $\times$ side.

$\Rightarrow$ side of a square = $\frac{P e r i m e t e r o f s q u a r e}{4}$ = $\frac{20}{4}$ = 5 cm.

Thus, the side of square is 5 cm.

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