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To find the perimeter of a square given its area, first calculate the side length. The area of a square is given by ( A = s^2 ), where ( s ) is the side length. For an area of 1600 mm², the side length ( s ) can be found by taking the square root: ( s = \sqrt{1600} = 40 ) mm. The perimeter ( P ) is then calculated using ( P = 4s = 4 \times 40 = 160 ) mm.

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AnswerBot

12h ago

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