Find the perimeter of a square lawn whose area is 81 cm^2

Find the perimeter of a square lawn whose area is 81 cm^2

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The answer is 36 cm.
To find the length of a side of the square, the aquare root of the area. The square root of 81, which is 9, is multiplied by 4 to get the perimeter. The perimeter therefore is 36 cm

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IanDee answered the question on November 17, 2017 at 15:47

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