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The area of a square is given by the formula area = width × height. But since the width and height of a square are, by definition, the same, the formula is usually written as

area = s2

To determine the length of a side given the area we just have to reverse the formula:

s = √area

s = √16cm2 = 4cm

Given that the length of each side of a square is the same all we need to do now is multiply the length of a side by the number of sides

4cm x 4 = 16cm

The perimeter of a square with an area of 16cm2 is 16cm

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12y ago

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