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It is: 4*10 = 40 units of measurements

The area for a square is length squared. so if we have L2=100, then square root of 100 is length which is 10.

The perimeter of a square is the distance around the square, and if we add 4 lengths (because all lengths in a square are the same), we get 10x4 which is 40.

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8y ago

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