If you are thinking of a solid with pentagonal faces, a dodecahedron, there are twelve pentagons
Nothing
A pentagonal prism.
pentagonal prism
An object with 2 congruent pentagons at opposite ends connected with 5 rectangles is a pentagonal prism.
12 faces on a truncated icosahedron are pentagons. (The other 20 faces are hexagons.)
dodecahedron
2 faces
pentagons
If you are thinking of a solid with pentagonal faces, a dodecahedron, there are twelve pentagons
It is a Dodecahedron!
penatgon
Regular pentagons.
The shape of the 12 faces of a regular dodecahedron are regular pentagons.
Twelve regular pentagons comprise the faces of a dodecahedron.
A polyhedron with 12 congruent faces is a dodecahedron.
An octahedron can have faces which are triangles, quadrilaterals, pentagons, hexagons or heptagons,