SOLUTION: What would the volume of the region between two cylinders be if the largerst cylinder radius is 12 and the smaller radius is 9. Both of the cylinders have a height of 20 inches.

Question 174228: What would the volume of the region between two cylinders be if the largerst cylinder radius is 12 and the smaller radius is 9. Both of the cylinders have a height of 20 inches.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What would the volume of the region between two cylinders be if the largerst cylinder radius is 12 and the smaller radius is 9. Both of the cylinders have a height of 20 inches.
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Volume of larger : (pi)*12^2*20 cu. in
Volume of inner : (pi)*9^2*20 cu. in
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Volume between = (pi)*20[12^2-9^2) cu in
= 1260pi cu in
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Cheers,
Stan H.
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