project your 3D inch onto a 2D surface, you get a square inch.
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2 squared --> 4 2 cubed --> 8 3 squared --> 9 3 cubed --> 27
multiply by 39.37 squared
No square unit is equal to any un-squared unit."Foot squared" is an area, but "inches" are lengths.If you want to, you can convert 4 foot squared to inches squared, but not to inches.This is how you would do it:First, you need to know the basic measurement conversion. 1 foot = 12 inches.Also, you need to know that a number squared is that number times itself.1 foot = 12 inches(1 foot) squared = (12 inches) squared = (12 inches) x (12 inches) = 144 inches squared.4 foot squared = 576 inches squared.
squared is 49. Cubed is 343.
Volume: pi*122*height = 3754.8 Divide both sides by pi*12 squared: height = 8.299930282 or about 8.3 inches