Question

If the diagonal of a square is 10 root 2
cm, find its perimeter.

Answer 1

$diagonal \: = \sqrt{2} \times s \\ 10 \sqrt{2} = \sqrt{2} \times s \\ s = 10 \: cm \\ \\ perimeter \: = 4 \times s \\ = 4 \times 10 \\ = 40cm$

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Answer 2

Answer:

40 cm

Step-by-step explanation:

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