regular tetrahedron

Details

Subclass of

Platonic solid, tetrahedron, demihypercube, strictly-convex deltahedron, disphenoid, regular pyramid, simplex, alternation

base

equilateral triangle, digon

Conway polyhedron notation

T, Y3

depicted by

tetrahedral graph

different from

tetrahedron

dual to

regular tetrahedron

has characteristic

volume, surface area

has facet polytope

equilateral triangle

has part(s) of the class

vertex, edge, face

has vertex figure

equilateral triangle

invariant under

tetrahedral symmetry

Schläfli symbol

{3,3}

studied by

solid geometry

Connected on Wikidata