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The Mathematics Enthusiast

Volume

1

Issue

2

Abstract

In the last proposition of the Elements Euclid proved that there are only five regular polyhedra, namely the tetrahedron, octahedron, icosahedron, cube, and dodecahedron. To show there can be no more than five he used the fact that in a polyhedra, the sum of the interior angles of the faces which meet at each vertex must be less than 360.

First Page

30

Last Page

37

Digital Object Identifier (DOI)

10.54870/1551-3440.1007

Included in

Mathematics Commons

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