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Since it is a square all sides will be the same. There formula for area is l*w=a. Since l=w and a is given.

let 1 side = x

9=x*x

9=x2

then square root 9 and x2

x=3

So each side is 3 cm.

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13y ago

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Q: How long is each side of a 9 square cm square?
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