Pentagonal bifrustum
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| Pentagonal Bifrustum | |
|---|---|
| |
| Type | Bifrustum |
| Faces | 10 trapezoids, 2 pentagons |
| Edges | 20 |
| Vertices | 15 |
| Symmetry group | D5h |
| Dual polyhedron | elongated pentagonal dipyramid |
| Properties | convex |
 Net | |
The pentagonal bifrustum or pentagonal truncated bipyramid is the third in an infinite series of bifrustum polyhedra. It has 10 trapezoid and 2 pentagonal faces. It is the dual of the Johnson solid, elongated pentagonal dipyramid.
This polyhedron can be constructed by taking a pentagonal dipyramid and truncating the polar axis vertices, making is into two end-to-end frustums.
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