 Pentagonal orthobirotunda

The pentagonal orthobirotunda is a type of convex polyhedron in geometry. Specifically, it is one of the Archimedean solids, characterized by its vertex configuration and symmetry. Here are some key features of the pentagonal orthobirotunda: 1. **Faces**: It has 20 faces comprised of 10 triangles and 10 pentagons. 2. **Vertices**: The orthobirotunda has 30 vertices.