dodecahedron polyhedra

math image

math image

math lessons, help and practice (arithmetic)geometry and math art (fractals, tessellations, polyhedra and more)math gamesThinking puzzles and online jigsaw puzzlesother fun for kids
math spacermath for teachers (resources, support and ideas)math for parents (resources, support, ideas)spike's game zoneCoolmath.commath spacer


The Rhombicosidodecahedron

The rhombicosidodecahedron is created by either truncating (cutting off) the dodecahedron one half of the way into each side
or by truncating the icosahedron one half of the way into each side

rhombicosedodecahedron


62 total faces:
20 equilateral triangles, 30 squares and 12 regular pentagons

60 vertices:
1 triangle, 2 squares and 1 pentagon

120 edges

Dihedral angles: 
148 degrees, 17 minutes for the pent-sqr angle and 159 degrees, 6 minutes for the tri-sqr angle

 

math image

The 5 Platonic Solids: 1 - 2 - 3 - 4 - 5
The 13 Semi-Regular Platonic Solids: 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13
More With Platonic Solids: 1 - 2 - 3 - 4

button back to the gallery button

 

.....:::::::::::::::  HELP SUPPORT COOLMATH  :::::::::::::::.....
:::::::  link to us   :::::::   advertise with us  :::::::

 ||  about us  ||  safe surfing  ||  privacy policy  ||  terms of use  ||  copyrights & fair use  ||
||  math  ||  math for ages 13-100  ||  math for kids  ||  math for teachers  ||  math for parents  ||  math games  ||  algebra  ||
||  math help lessons  ||  math practice problems  ||  online math dictionary  ||  algebra books  || math anxiety  ||
||  science  ||  free online games and puzzles  ||  continuing teacher education  ||

Thanks for visiting Coolmath4kids.com
© 1997-2009 Coolmath.com, Inc.