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September 21, 2014

September 21, 2014

Posted by **Anonymous** on Tuesday, March 15, 2011 at 10:45am.

Diameter = 2r

A = π r^2

V = 4A

W = 7.5V

- Math -
**PsyDAG**, Wednesday, March 16, 2011 at 2:35amPlug in the values, starting with the first equation.

D = 2r, therefore D/2 = r

Put the value of r in the second equation to find A.

Put the value of A in the third equation to find V.

W = # of gallons = 7.5V

You can do the calculations.

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