Truncated decagonal duoprism
|Truncated decagonal duoprism|
|Bowers style acronym||Tadedip|
|Cells||100 tetragonal disphenoids, 20 truncated decagonal prisms|
|Faces||400 isosceles triangles, 100 ditetragons, 20 didecagons|
|Measures (variant with icosagon edge length 1)|
|Edge lengths||Lacing edges (400):|
|Edges of icosagons (200+200): 1|
|Dual||Tetrakis decagonal duotegum|
|Abstract & topological properties|
|Symmetry||I2(10)≀S2, order 800|
The truncated decagonal duoprism or tadedip is a convex isogonal polychoron that consists of 20 truncated decagonal prisms and 100 tetragonal disphenoids. 1 tetragonal disphenoid and 3 truncated decagonal prisms join at each vertex. It can be formed by truncating the decagonal duoprism.
It can also be obtained as the convex hull of 2 semi-uniform decagonal-icosagonal duoprisms chosen such that the icosagonal and decagonal prisms have the same circumradius. if the icosagons of this duoprism have edge length 1, the decagons have edge length .
Using the ratio method, the lowest poossible ratio between the longest and shortest edges is 1: ≈ 1:1.34500.