SOLUTION: The length of each side of a square is extended 5 cm. The area of the resulting square is 81 cm2. Find the length of a side of the original square.

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Question 803061: The length of each side of a square is extended 5 cm. The area of the resulting square is 81 cm2. Find the length of a side of the original square.
Answer by Alan3354(69443) About Me  (Show Source):
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The length of each side of a square is extended 5 cm. The area of the resulting square is 81 cm2. Find the length of a side of the original square.
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The area of the resulting square is 81 cm2.
Find the side length of that, then subtract 5.