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A tetrahedron is a 3-dimensional simplex. Its Bowers acronym is "tet".

Variants[]

The tetrahedron can be seen as a triangle pyramid where all the sides are equal. It is also a line antiprism.

Properties[]

Two tetrahedra can be inscribed in a cube such that no vetex is used twice.

Structure[]

As a triangular pyramid, the tetrahedron is composed of a point that grows into a triangle. It has 3triangles around each vertex.

See also[]

Zeroth First Second Third Fourth Fifth Sixth Seventh Eighth Ninth Tenth
Simplex Point Line Triangle Tetrahedron Pentachoron Hexateron Heptapeton Octaexon Enneazetton Decayotton Hendecaxennon
Hypercube Point Line Square Cube Tesseract Penteract Hexeract Hepteract Octeract Enneract Dekeract
Cross Point Line Square Octahedron Hexadecachoron Pentarss Hexarss Heptarss Octarss Ennearss Decarss
Hypersphere Point Line Circle Sphere Glome Hyperglome Hexaphere Heptaphere Octaphere Enneaphere Decaphere
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