SOLUTION: A square piece of glass has an area of 81 square centimetres. How long is each side?

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Question 718663: A square piece of glass has an area of 81 square centimetres. How long is each side?
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
9 cm is the answer.
To check it out, multiply 9 times 9 to get 81.
Make sense?
RJ