Question 390950
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Hi, 
Cylinder with r = 2ft and height = 10ft        
Volume(cyliner) = Area of the base*h
(View it as 'sweeping' the circular base up thru the height)
{{{V = pi*r^2*h = pi*2ft^2*10ft = pi*40ft^3}}}
Use {{{pi = 3.14}}} if You wish to find V = 125.6ft^3
<img src="http://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Cylinder_geometry.svg/200px-Cylinder_geometry.svg.png">