An octagonal prism.
Cylinder
rectangular prism
# of faces + # of edges + # of vertecies + 2
Prism
An octagonal prism.
The question is ambiguous. An octagon is a 2-dimensional shape with 8 edges and 8 vertices. Does a 3-D octagonal shape mean one with 8 edges or 8 faces or vertices, or faces which are 2d octagons?
cylinder
Cylinder
it is a decogonanon it is a decogonanon
a right prism
Yes, and three rectangular faces.
cylinder: 3 faces, 2 edges, no vertex
rectangular prism
# of faces + # of edges + # of vertecies + 2
a cylinder
Hexagonal prism.