Area = 49 cm2 so side = sqrt(49) cm = 7 cm
and therefore, perimeter = 4*side = 28 cm.
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Perimeter = 28 = 4s = 4 x 7 Therefore, each side is 7cm long Area = s x s = 7 x 7 = 49cm squared
A = 256 units squared.
169cm squared
About 19.6 feet.
The perimeter is not going to have sq units. If the perimeter of a square is 15 units then the area would be 14.0625units squared.