The area of a square is the square of its side, so the answer is (s-4)2, which is
s2 - 8s + 16.
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The area of a square with a side of 27.5mm is: 756.25 mm2
The area of the square is the measure of the side squared.
Area of square= side*sideIf you mean by "length of the square" one side of the square, then the area is 16 cm^2 (If you mean by "length of the square" it's perimeter, then you have to get it'a side from that data:Perimeter of squre=4*side -> side = (Perimeter of square)/4 then you get one side and you can calculate the area from that...)
A square with a side length of 7.5 units has an area of 56.25 square units.
A square with a side length of 12 units has an area of 144 square units.