Baldwin, Harry L., Jr. Department of Mathematics, San Diego City College, San Diego, California.
- Methods of description
- Quadric surfaces
- Surfaces of revolution
- Related Primary Literature
- Additional Reading
A two-dimensional geometric figure (a collection of points) in three-dimensional space. The simplest example is a plane—a flat surface. Some other common surfaces are spheres, cylinders, and cones, the names of which are also used to describe the three-dimensional geometric figures that are enclosed (or partially enclosed) by those surfaces. In a similar way, cubes, parallelepipeds, and other polyhedra are surfaces. Often only the context indicates whether a surface or a solid is being referred to, but in modern mathematical usage such words refer only to surfaces. See also: Cube; Polyhedron; Solid (geometry)
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