Curved Area of a Frustum of a Right Circulacircular Cone

Description

The curved area of the frustum cone, can be calculated from the radius of the lower base and the radius of the upper base and the height of the cone (the distance from one parallel plane to the other)

Related formulas

Variables

AArea (m2)
πpi
RRadius of the lower base (m)
rRadius of the upper base (m)
hHeight (m)