Your browser does not support the IFRAME tag.
The tetrahedron is one of the five Platonic solids.
4 faces: equilateral triangles
4 vertices
6 edges
Dihedral angles: 70 degrees, 32 minutes
.....::::::::::::::: HELP SUPPORT COOLMATH :::::::::::::::..... ::::::: link to us ::::::: advertise with us ::::::: why we have ads ::::::: cool math games store :::::::
Thanks for visiting Coolmath.com © 1997-2012 Coolmath.com, Inc.