8 faces, 18 edges, and 12 vertices
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In geometry, the hexagonal prism is a prism with hexagonal base.
It is an octahedron. However, the term octahedron is mainly used with "regular" in front or implied, hence not meaning a hexagonal prism; in the general meaning the term octahedronit is not much used because there are different types which have not much in common except having the same number of faces.
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An n-gonal prism has 3n edges, 2n vertices and n+2 faces.
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12 faces 36 edges and 9 vertices
* * * * *
That is total nonsense.
The correct answer is:
Faces: 8
Vertices: 12
Edges: 18