square
If it is a an hexagonal prism then it will have 12 vertices
Hexagonal prism
A hexagonal based prism.
A pentagonal pyramid, A rectangle based dipyramid, A triangular prism.
A triangular prism fits the given description
octgonal prism
triangular prism
pentagonal based prism
It is a triangular prism that has 6 vertices, 9 edges and 5 faces.
An octagonal prism, possibly.
A triangular prism.
If it is a an hexagonal prism then it will have 12 vertices
Triangular prism
Hexagonal prism
A hexagonal based prism.
A pentagonal pyramid, A rectangle based dipyramid, A triangular prism.
A triangular prism.