I think you mean *Pentagonal Prism" ;D
Anyway, there are two Pentagons at each end of the prism, so, so far you have two faces. Now, since a pentagon has 5 sides, there will be 5 faces.
5 + 2 = 7
A Pentagonal Prism has 7 faces.
A triangular based prisim has four faces.
Nine. Two heptagons (septagons) and 7 rectangles.
A triangular prism has 5 faces, 9 edges and 6 vertices
A triangular prism has 6 vertices, 9 edges and 5 faces.
Triangular Prisim
an octagonal prisim has, 10 faces ,16vertices ,24edges
5 faces
it has 5 faces because u have to count the bottom aswell
A triangular based prisim has four faces.
5 faces 6 corners 9 edges
Faces = 4... Edges = 6... Corners... 4
Nine. Two heptagons (septagons) and 7 rectangles.
a rectangular prism has 6 faces, 8 vertices, and 12 edges.
A triangular prism has 5 faces, 9 edges and 6 vertices
A pentagonal prism has: 7 faces 10 vertices 15 edges
A triangular prism has 6 vertices, 9 edges and 5 faces.
A pentagonal pyramid has exactly 6 faces.and a pentagonal prisim has 7