The diagonal of a square is 12 2 cm. Find its perimeter. - Vidyadip

Question

The diagonal of a square is $12 \sqrt{2}$ cm. Find its perimeter.

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Answer

$\begin{aligned} & \text { Diagonal of square }=\text { Its side } \times \sqrt{2} \\ & \text { Side } \sqrt{2}=\sqrt{2} \sqrt{2} \\ & \text { i.e. side }=12 \mathrm{~cm} \\ & \text { Perimeter of a square }=4 \times \text { side } \\ & =4 \times 12=48 \mathrm{~cm}\end{aligned}$

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