SOLUTION: Use the formula for the volume of a cylinder to find the volume of a water cistern with a radius of 10 feet and a height of 40 feet. I had 2*3.14159*10^2+2*3.14159*10*40=3141.

SOLUTION: Use the formula for the volume of a cylinder to find the volume of a water cistern with a radius of 10 feet and a height of 40 feet. I had 23.1415910^2+23.1415910*40=3141.

Question 575762: Use the formula for the volume of a cylinder to find the volume of a water cistern with a radius of 10 feet and a height of 40 feet.

I had 2*3.14159*10^2+2*3.14159*10*40=3141.59
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
Wrong formula. You calculated the surface area.
The volume of a cylinder of radius r and height h is calculated as

The surface area of the cylinder (top, bottom and curvy side added together is

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