Answer:
2. Pentagonal pyramid
The base has 5 sides which is a pentagon and since it has a point (or where all the sides meet up) on the top it is a pyramid
3.Hexagonal pyramid
The base has 6 sided, therefore it is a hexagon
4.Square Pyramid
4 sides it is a square
5. A pentagonal prism has...
7 faces
15 edges
10 vertices