The volume of a cone is ¹/₃ × π × r² × l. To calculate the volume we multiply these values together. The answer will be written in [units]³. Sphere. The volume of a sphere is ⁴/₃ × ...

To calculate the volume we multiply these values together. The answer will be written in [units]³. It is more accurate to use π = 3.142 or the π button on a calculator.