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Tetrahedron
Regular Tetrahedron

A polyhedron with four triangular faces, or a pyramid with a triangular base.

Note: A regular tetrahedron, which has faces that are equilateral triangles, is one of the five platonic solids.

 

Regular Tetrahedron

a = length of an edge

Volume =

Surface Area =

Tetrahedron Image Rotate me if your browser is Java-enabled.

 

 


  this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
Copyright © 2000 by Bruce Simmons
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