File:Tetrahedron.svg

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tetrahedron

Author

Original:

Kjell André

Vector:

DTR

A raster version of this image is available. It should be used in place of this vector image when superior.

File:Tetrahedron.svg → File:Tetrahedron.jpg

In general, it is better to use a good SVG version.

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Title

tetrahedron

instance of

polyhedron

subclass of

simplex, pyramid, convex polyhedron and tetratope

studied by

category theory

has facet polytope

triangle (4)

has part(s) of the class

face (4), edge (6) and vertex (4)

has vertex figure

triangle

has characteristic

inradius (

{\frac {1}{r_{1}^{2}}}+{\frac {1}{r_{2}^{2}}}+{\frac {1}{r_{3}^{2}}}+{\frac {1}{r_{4}^{2}}}\leq {\frac {2}{r^{2}}}

)
volume (

V=1/3A_{0}h

)
sphericity

video

3D model

polyhedron net

Date

11 June 2007

Source/Photographer

Vectorisation of Tetrahedron.jpg

Other versions

Derivative works of this file: Comparison of surface area vs volume of shapes.svg

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