Solid geometry

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Solid geometry or stereometry is the geometry of three-dimensional Euclidean space (3D space).^[1] A solid figure is the region of 3D space bounded by a two-dimensional closed surface; for example, a solid ball consists of a sphere and its interior.

Solid geometry deals with the measurements of volumes of various solids, including pyramids, prisms (and other polyhedrons), cubes, cylinders, cones (and truncated cones).^[2]