Side = sqrt 200 = 10 root 2 or 14.14 cm
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11cmThe area of the square is 121cm2. Since the area of a square is just one side squared, to find the length of one side take the square root of the area. In this case the square root of 121 is 11. So the answer is 11 cm.
7 centimeters
To calculate the area in square centimeters of a two-dimensional object, you multiply the length and width of the object in centimeters. The formula for calculating the area of a rectangle or square in square centimeters is length (cm) x width (cm). For more complex shapes, you can break them down into simpler shapes and calculate the area of each part separately before adding them together to find the total area in square centimeters.
The side length in centimeters of a square that has an area of 9 square meters is: 300 cm
A centimetre is a unit of length. A square centimetre is a unit of area. The two units are therefore incompatible.