SOLUTION: The area of a square is 81 centimeters. Find the lenght of a side

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Question 711977: The area of a square is 81 centimeters. Find the lenght of a side
Answer by MathLover1(20850) About Me  (Show Source):
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if the area of a square is 81cm%5E2, then a%5E2=81cm%5E2
and the length a will be a=sqrt%2881cm%5E2%29=9cm