Partial Construction of an Icosahedron
Illustration of the steps to a construction of an icosahedron. The base consists of a regular pyramid, upon which equilateral triangles are inserted to form the next section of the icosahedron, followed by another pyramid.
Keywordspyramids, pentagon, solid, Polyhedron, icosahedron, solids, equilateral triangles, polyhedrons, icosahedrons, pentagonal pyramid
GalleriesMiscellaneous Solid Forms
Arthur Latham Baker The Elements of Solid Geometr with Numerous Exercises (Boston, MA: Ginn & Company, 1893)