Usually none, but it can have one pair.
A pentagon has 0, but if you mean a pentahedron, then it depends on how you build it.
It has five faces in all. How many are lateral depends on the configuration of the pentahedron.
5, that is what the penta part of pentahedron means.
Five.
16
It has 5 faces
No. Pentahedron has 5 faces, and Cube has 6.
None. A square based pyramid is a pentahedron.
The answer is zero.
A pentahedron.
None.
Five faces (it is a 3 dimensional shape). A four sided pyramid is a pentahedron. (penta- means five, -hedron means sides)