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To find the side lengths of a square with an area of 81m^2, you would take the square root of the area. In this case, the square root of 81 is 9. Therefore, each side of the square would be 9 meters long. This is because the area of a square is calculated by squaring the length of one side.

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9 metres. Squares have 4 equal sides, so in order to find the side length when given the area, you take the square root of the area.

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Wiki User

10y ago
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Q: What are the side lengths of a square if it's area is 81m2?
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