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The first step to answering this question is convert from area to length.

The area of a square is L2 where L is the length of one side.

In this case, L2=81, so L=9

The perimeter of a square is calculated by the expression 4L

So the perimeter of this square is 9x4=36cm

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โˆ™ 2011-09-23 17:23:54
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Q: What is the perimeter of a square with each area of 81 cm squared?
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