A pentagonal shape has 5 faces.
For determining the name of a shape, it is determined by the amount of faces.
For determining the amount of faces on a shape, it is determined by the pre fix of a word.
tri-3
quad-4
pent-5.
hex-6
hept-7
oct-8
non-9
deca-10 and so on.
pentagonal prism
A pentagonal is not a shape. You an have a pentagonal pyramid, a pentagonal prism or a pentagonal polyhedron as well as other shapes - each would give a different set of answers.
A dodecahedron has pentagonal faces.
A pentagonal prism.
The lateral faces of a prism - pentagonal or other - are rectangular.
One - a pentagonal shape.
pentagonal prism
A di-pentagonal pyramid: which is two pentagonal pyramids with their pentagonal faces stuck together.
Hexagon
A pentagonal is not a shape. You an have a pentagonal pyramid, a pentagonal prism or a pentagonal polyhedron as well as other shapes - each would give a different set of answers.
A Dodecahedron has 12 pentagonal faces.
A dodecahedron has 12 equilateral pentagonal faces. From this, it has 30 edges as well as 20 vertices in its shape.
pentagonal pentahedron.
A dodecahedron has pentagonal faces.
rectangles
A pentagonal prism.
The lateral faces of a prism - pentagonal or other - are rectangular.