A Tour of the Platonic Solids
By Deb Russell, About.com Guide
The tetrahedron is bounded by four equilateral triangles. The number of vertices is 3. The number of polygons meeting at a vertex is 3. The number of faces for the tetrahedron is 4. The the number of edges of the tetrahedron is 6. The the number of vertices of the tetrahedron is 4.
Prev
- A Tutorial on the Platonic Solids
- The Tetrahedron
- The Hexahedron
- The Octahedron
- The Dodecahedron
- The Icosahedron
Suggested Reading
A Special Thanks:
Explore Mathematics
Must Reads
About.com Special Features
Dinosaur Discoveries of the Decade
The top 10 fossil discoveries between 2000 and 2010. More >
How to Ace the GRE
Being well prepared is the first step; here are more essential suggestions. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.