A cone is a 3D shape with 2 faces and one edge A sphere ... the volume of a cylinder. A cone is one third of the volume of a cylinder. The volume of a cone is ¹/₃ × Ï€ × r² × l. To ...
A sphere is a perfectly round solid figure ... are given the diameter you must divide by 2 to find the radius before you can calculate the volume or surface area.