Posted by Mike on Thursday, May 15, 2008 at 11:25pm.
The height of the cone can be obtained from the Pythagorean relationship:
h^2 = 41^2 - 9^2 = 1600
h = 40 ft
Volume = (1/3) pi r^2 h = 3393 ft^3 = 25,379 gallons
you did 40 ft not 41 i got 3475 ft^3 but i dont know how you found gallons
40 ft is the true cone height from bottom to top. The slant height is measured along the slope.
I converted to gallons using the conversion factor that was provided by you.
(Use 1 cu ft = 7.48 gallons)
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