8cm * 8cm = 8*8 cm2 = 64 cm2
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1 square centimeter = 1.0e-8 square hectometer
8 square feet is the area.
The area of square is : 1024.0
Area of regular 8 sided octagon: 0.5*7*5.8*8 = 162.4 square units Not that in fact by using trigonometry the apothem is slightly bigger than 7
A square with a side length of 8 units has an area of 64 square units.