triangular pyramid
Octagonal prism.
A pentangonal prism has five rectangle faces and two pentangon shape sides.
pentagonal prism
A right prism.
a hexahedron with four rectangular sides and two square ends.
a rectangular prism
triangular prism
A cuboid.
that would be a prism
triangular prisom
A prism.
An octagonal prism consists of two octagonal bases and eight rectangular lateral faces. Each of the rectangular faces is a parallelogram, as all rectangles are special cases of parallelograms. Therefore, in addition to the two octagonal bases, there are eight parallelograms (the rectangular lateral faces), making a total of ten parallelograms in an octagonal prism.