National Council of Teachers of Mathematics
The Math Forum: Studying Polyhedra
This site not only defines what a polyhedron is, but it allows you to view each of the five regular polyhedra through an interactive exercise. After selecting which polyhedron you'd like to see, it will tell you its name and how many...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Los Poliedros Regulars Y La Esfera
Interactive resources and activities dealing with properties and characteristic of the five polyhedrons and the sphere.
University of Georgia
University of Georgia: Inter Math: Platonic Solids
This site gives a description of platonic solids along with a visual representation of each of the five platonic solids. At the bottom of the page are links to cut-out-templates for each of the platonic solids. Be sure to follow the...
University of Georgia
University of Georgia: Inter Math: Icosahedron
This site gives a very brief definition of an icosahedron. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving icosahedrons located in the...
National Council of Teachers of Mathematics
The Math Forum: Pictures of Icosahedrons
This site from Dr. Math and the Math Forum provides several links to pictures of icosahedrons. The information is somewhat brief, but worth checking out for a background on the subject.