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Let's say that it gives you the perimeter of 48.

First, divide the perimeter by 4, since a square as 4 sides.

You would get 12.

Take 12 and then multiply it by itself, since a square has 4 equal sides.

You would get 12x12=144.

Using 36:

36 divided by 4 is 9.

9x9=81

So, this square has an area of 81 square units.

Using 44:

44 divided by 4 is 11.

11x11=132.

So, this square has an area of 132 square units.

Try a few on your own and good luck!

10 yr old Kayley

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Suppose the perimeter is P. This is four times a side length, so then we can let P/4 be the side length of the square. The area is equal to the square of the side length, or P2/16.

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