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The area of square is the square of one of its sides, which are all equal. To find the value of a side, take the square root of the area. In this case the square root of 49cm2 is 7cm. The perimeter is the sum of all four sides of the square, so the perimeter of a square with an area of 49cm2 is 7+7+7+7 = 28, or 4x7 = 28.

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โˆ™ 2012-03-21 22:36:00
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Q: What is the perimeter of a square that has an area of 49 cm squared?
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