A pentahedron is a 3-D shape and so, not surprisingly, a 3-D pentahedron is called a pentahedron!
triANGLE
There is no name for a five sided regular polygon. A five sided polyhedron is called a pentahedron.
It is called its base!
pentahedron
It is a pentahedron. One example of an irregular pentahedron is the 4-sided pyramid.
It could be a pyramid with a quadrilateral base or a triangular prism. There are, of course, other related shapes that it could be.
An example of a common five faced three dimensional shape is the square pyramid. There are no three dimensional shapes with five edges.
there are 15 edges in a pentahedron
A pentahedron can have 5 or six vertices.
A pentahedron can have five or six vertices.
No. Pentahedron has 5 faces, and Cube has 6.
5, that is what the penta part of pentahedron means.