Pronunciation: /doʊˌdɛk.əˈhi.drən/ Explain

A shape with twelve congruent pentagonal faces.
Figure 1: Regular dodecahedron

A dodecahedron is a twelve faced polyhedron.[2] A regular dodecahedron has twelve faces, each of which is a regular pentagon. A regular dodecahedron has 60 vertices.

In nature, a dodecahedron is found in the carbon molecule buckminsterfullerine. A carbon atom is at each vertex of a dodecahedron in a molecule of buckminsterfullerine.

Dodecahedron net
Figure 2: Regular dodecahedron net
Figure 2 shows the geometric net of a regular dodecahedron. For a printable regular dodecahedron net you can make yourself, click here.


  1. McAdams, David E.. All Math Words Dictionary, dodecahedron. 2nd Classroom edition 20150108-4799968. pg 66. Life is a Story Problem LLC. January 8, 2015. Buy the book
  2. Stöcker, K.H.. The Elements of Constructive Geometry, Inductively Presented. pp 49-50. Translated by Noetling, William A.M, C.E.. Silver, Burdett & Company. 1897. Last Accessed 7/3/2018. Buy the book

More Information

  • McAdams, David E.. Dodecahedron Net. Life is a Story Problem LLC. 3/12/2009.

Cite this article as:

McAdams, David E. Dodecahedron. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC.

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Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
7/4/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
12/31/2009: Added "References". (McAdams, David E.)
6/7/2008: Corrected spelling. (McAdams, David E.)
5/8/2008: Initial version. (McAdams, David E.)

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