pi squared is 9.869604401... pi cubed is 31.00627668
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Volume of any 3-dimensional object is always 'Cubic'. 'Squared' refers to area. The volume of a cylinder is V = pir^2h Where pi r^2 refers to the area of the circular profile of the cylinder., which is a 'squared' value/ 'h' is the height of the cylinder , which is a linear value. When a squared value is multiplied to a linear value , it becomes a cubic value.
The volume of a cylinder equals the area of the base times the height, which equals pi x radius squared x height. Inserting the numbers, V = pi x (2 m.) squared x 5 m. = pi x 4 m. squared x 5 m. = 20 x pi meters cubed or 20 x pi cubic meters.
a cubed
Circumference isn't squared OR cubed. However, Surface Area is squared and so is Area. So Circumference is just Circumference :)
No, 2 cubed is not the same as 3 squared. 23 = 8 32 = 9