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|Cells||25 tetragonal disphenoids, 25 rectangular trapezoprisms, 10 pentagonal prisms, 20 pentagonal cupolas|
|Faces||100 isosceles triangles, 50 rectangles, 100 isosceles trapezoids, 20 pentagons, 10 dipentagons|
|Vertex figure||Monoaugmented isosceles trapezoidal pyramid|
|Measures (edge length 1)|
|Abstract & topological properties|
|Symmetry||H2≀S2, order 200|
The pentagonal duotruncatoalterprism is a convex isogonal polychoron and the fourth member of the duotruncatoalterprism family. It consists of 10 pentagonal prisms, 20 pentagonal cupolas, 25 rectangular trapezoprisms, and 25 tetragonal disphenoids. 1 pentagonal prism, 3 pentagonal cupolas, 2 rectangular trapezoprisms, and 1 tetragonal disphenoid join at each vertex. obtained as the convex hull of two orthogonal pentagonal-decagonal duoprisms. However, it cannot be made scaliform.