area of a square is 441sq.cm .then find its perimeter?
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s^2=441
s=21
perimeter=4s=84
s=21
perimeter=4s=84
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let the side of square be x
area of square=441sq.cm
=21cm
so....x is 21cm
perimeter is 4×s
4×21=84
so....the perimeter of the square is 84 cm
area of square=441sq.cm
=21cm
so....x is 21cm
perimeter is 4×s
4×21=84
so....the perimeter of the square is 84 cm
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