42 = 4 x 4 = 16 cm2
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A square with a side length of 4cm has an area of 16cm2
Each side is 2cm
4cm
a≈2.83cm The sides are the square root of 8 cm, approximately 2.8284 cm
to work out the area of a sqaure it is the length of the side multiplied by another side. seing as the sides of a sqaure are all equal, is is the side of a square multiplied by itself. for example if the side of a square was 4cm the equation would be: 4cm x 4cm = 16cm^2 do not get this equation confused with the equation for a rectangle which is length multiplied by the width. (L x W)