Partial Construction of an Icosahedron

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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.

Keywords

pyramids, pentagon, solid, Polyhedron, icosahedron, solids, equilateral triangles, polyhedrons, icosahedrons, pentagonal pyramid

Galleries

Miscellaneous Solid Forms

Source

Arthur Latham Baker The Elements of Solid Geometr with Numerous Exercises (Boston, MA: Ginn & Company, 1893)

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