Since a square has sides of equal length the area is the length of one side squared. You can find the length of one side by taking the square root of the area of the square. The length of one side is approximately 2.93. Then you plug in the length of the side into the perimeter formula.
P = S+S+S+S
P = 2.93+2.93+2.93+2.93
P = 11.72
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