3 more
Rectangular prism - 8 Rectangular pyramid - 5 8-5 = 3 Answer: 3
3 more vertices
12
8
9 edges
6 faces
3 more.
A rectangular prism has 8 vertices.
A rectangular pyramid has no circular bases.
2 more vertices
lil booney
Not sure that a triangular prism dose anything since a "dose" is a measured portion of a medicine. However, a triangular prism does have two bases.