Volume and Dimensions of the Frustum of a Cone

Enter data in either the r or d fields, in either the R or D fields, and in either the h or s fields.
r
R
d
D
h
s


Volume =  
Surface area =  

Formulas:

V = Volume
S = area of conical surface
h = height
s = length of side
r = radius of top circle
d = diameter of top circle
R = radius of base
D = diameter of base
V = 1.0472 * h * (R2 + (R * r) + r2)
V = 0.2618 * h * (D2 + (D * d) + d2)
S = 3.1416 * s * (R + r)
S = 1.5708 * s * (D + d)
A = R - r
s = sqrt(a2 + h2)
s = sqrt((R - r)2 + h2)

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