The area of square is : 400.0
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The sides of a square with a perimeter of 20 cm is 20/4= 5 cm, and its area is 5 times 5 = 25 square cm
20
20 cm
A square with an area of 20 acres has a perimeter of about 3,733.5 feet.
21cm3
200 square cm (cm2). To calculate square centimeters simply multiply length by width - the result is the area in square cm.