Prisms with other bases
Any polygon can be the base for a prism. Here are some examples.
Pentagonal prism
A pentagonal prism is made up of two pentagons and five rectangles.
A pentagonal prism could also be called a heptahedron. Hepta means seven.
Hexagonal prism
A hexagonal prism is made up of two hexagons and six rectangles.
A hexagonal prism could also be called an octahedron. Octo means eight.
Octagonal prism
An octagonal prism is made up of two octahedrons and eight rectangles.
An octagonal prism could also be called a decahedron. Deca means ten.