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8 cm
Perimeter is equal to the square root of area times 4. (p = √a * 4) Example. a = 4cm2 p = √4cm2 * 4 p = 2cm * 4 p = 8cm
That will depend on the dimensions of the square in question. If the square has a length of 1cm, then 1x1=1cm2. If the square has a length of 2cm, then 2x2=4cm2.
Since all four sides are equal in a square, a square with an area of 4cm2 must be 2cm on each side. Therefore, the perimeter is 2cm x 4 = 8cm.
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