SOLUTION: How do you solve this problem? If the area of a square is 81 inches, what is the length of one of the side?

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Question 415906: How do you solve this problem?
If the area of a square is 81 inches, what is the length of one of the side?
Answer by praseenakos@yahoo.com(507) About Me  (Show Source):
You can put this solution on YOUR website!
Area of a square = +%28side%29%5E2

let one side be x inches
+81++=+%28x%29%5E2

==> +x+=+sqrt%2881%29

==> +x++=++9+inches

so the side is 9 inches...