Volume=Ï€ r^2h
r^2=radius sqared
h=height
(do not calculate "Ï€ " into your equation)
example: DIAMETER is 12 and the height is 15
(the diameter = the radius x2, so the radius is 6 because it is half of 12)
V=Ï€ r^2h
V=Ï€ (6)^2(15)
V=540Ï€
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Volume of any conic solid=1/3bh
Area of circle=Pi*r^2
Since the base (b) of the conic solid is a circle is the area of
the circle, substitute the second equation into the first one:
V=1/3*Pi*r^2*h
The formula to find the circumference of a circle is Pi X D where D is Diameter and Pi is 3.1416.
pi x r2 x thickness, with r (radius) and thickness being in the same units of length
Vc = Pi*r2h/3 where Vc is the volume of the cone, Pi is approximately 3.14159265358979323846264338327950288, r is the radius of the cone, and h is the height of the cone.