Deltahedron (englanti)
Etsi sanaa " Deltahedron " NRICH | PLUS | maths.org | Googlella
Määritelmä taso 3
A deltahedron is a solid whose faces are all equilateral triangles. It is possible to make a deltahedron with any even number of faces above two. Eight of the deltahedra are convex and three of these, the tetrahedron, the octahedron and the icosahedron, are Platonic Solids.
Suhteet
- yleisempi:
- (en) Polyhedron
- suppeampi:
- (en) Hexadeltahedron
- (en) Icosahedron
- (en) Octahedron
- (en) Tetrahedron
- viitteet:
- (en) Equilateral triangle
- viittaajat:
- (en) Eight
Rahoittajat: EU Socrates Minerva, HeyMath!, Cambridge University Press