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Volume of a Cone. The volume of a cone is equal to one-third the product of the area of the base and the height. It is given by the formula: where r is the radius of the base and h is the perpendicular height of the cone. Worksheet to calculate the volume of cones. Example: Calculate the volume of a cone if the height is 12 cm and the radius is 7 cm.
A truncated cone is the result of cutting a cone by a plane parallel to the base and removing the part containing the apex. The height is the line segment that joins the two bases perpendicularly. The radii are the radii of their bases.