Question

find the side of square who's perimeter is 80cm​

Answer 1

Answer:

perimeter of square=4×side

4×side=80

side=80÷4

=20cm

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Answer 2

$perimeter \: of \: square = 4a = 80 \\ 4a = 80 \\ a = \frac{80}{4} = 20 \\ \\ so \: side \: = \: 20cm$

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