There is no specific name nor a specific shape for such a polygon.
There is no specific name.
There is no specific name nor a specific shape for such a polygon.
There is no special name. In a prism it would be a quadrilateral, in an antiprism, a triangle.
A polyhedron is a solid whose faces are polyhedra, so the question is rather meaningless.
It is an apothem line that connects the center of a polygon to the center of an outer side.
Unless the polygon is a triangle, it is a diagonal.
A segment that connects two midpoints of a polygon.
radius
all the bases of a pyramids are polygon
sometime
Not necessarily.