Each side = 20/4 = 5 cm
Area = 5*5 = 25 square cm
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When the area of a square is 36cm2, its perimeter is: 24 cm
A square with a perimeter of 24 cm has an area of: 36 cm2
Area of square = 81 cm2 so side of square = 9 cm and then perimeter = 4*side = 36 cm.
P = 60 cm
The area of a square is the (perimeter/4)^2. The perimeter is 52, so 52/4=13. 13^2 is 169. The area of the square is 169 cm.^2.