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Anonymous
nonagon
Wiki User
There can be no such shape.
The shape would be impossible. The faces and vertices have to add up to two more than the edges.
An octagonal based pyramid has 16 edges and 9 vertices.
An octagonal pyramid.
A triangular prism
pentagon
A triangular prism.
a triangular prism
A triangular prism has 5 faces, 9 edges, and 6 vertices.
Nonahedron
An octagonal pyramid
You can't have a 3-d shape with only 2 faces. A triangular prism has 9 edges and 6 vertices, but it has 5 faces.
a triangular prism has 6 vertices.