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The perimeter of a square is the measurement of all the external sides, of which there are of course 4.

We also know that for a square all of these 4 sides are of equal length.

Therefore if we divide the perimeter by 4 we get the length of one side.

If you then square this length (multiply it by itself) you get the area of the square.

so if the perimeter measurements was 40 units

40/4 gives you the length of one side = 10 units

and 10*10 gives you the area of the square - 100 square units.

thus generically the area of a square with a perimeter of 'x' = (x/4)2

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Q: How do you find the area of a square if given a perimeter?
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