15
A pentagonal prism will have 15 edges.
No.
pentagon
The 3D shape formed by regular pentagons is a dodecahedron, which has 30 edges.
a 3D pentagon
The vertex of a 3D pentagon is 10. :)
A 3D name for a pentagon is a pentagonal prism.
5 edges, 5 verts, and faces are only on 3d shapes, for the most part, so any 2d shape has 1
No. By definition a pentagon must have 5 edges. An irregular pentagon is a pentagon that has edges with lengths of different sizes. The internal angles of all vertices will not be identical in an irregular pentagon.
There are no curved edges in a pentagon. Part of the definition of any polygon is that they have straight edges.
No, a pentagon is 2-D.