Select Solid

Display Mode

Animations

Rotation Speed

Tetrahedron
{3,3}

Geometric Properties

Vertices (V) 4
Edges (E) 6
Faces (F) 4
Euler Characteristic 2
Face Type Triangle
Faces per Vertex 3
Dihedral Angle 70.53°
Schläfli Symbol {3,3}

Symmetry Group

Tetrahedral Group
Order: 12
4 three-fold axes 3 two-fold axes

Dual Solid

Tetrahedron
Self-dual: vertices ↔ faces

Volume Formula

V = a³/(6√2)

Surface Area

A = √3 a²