Question

find the perimeter of sq Area of square = 100
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Answer 1

Area of square = side ²

Side ² = 100cm ²

Side =√100

Side = 10cm

Perimeter of square = 4×side

= 4×10

=40cm

Answer 2

$\huge\colorbox{cyan}{Answer ✔}$

Perímeter=400

$\huge\colorbox{cyan}{Explanation✔}$

$perimeter \: of \:a \: sq = 4 \times side \\ = 4 \times 100 \\ = 400$

Hope it helps ☺️☘️