5
A rectangular pyramid (four-sided base) has 5 faces and 5 vertices.
5 FIVE five 4+1=5
A triangular pyramid.
A pyramid must have at least four faces (sides) so a three sided pyramid is mathematically impossible.
A pyramid which has a total of 5 faces is a quadrilateral based pyramid.
A five sided pyramid! Ha!
a pyramid
5
there are 5
Eight.
5
well actually it is a prism. If you mean a 5 sided pyramid with the 6 side being the bottom it would be called a Pentagonal Pyramid
Octagonal pyramid
A six sided cone is a pyramid technically, and it would be a hexagonal pyramid (if six sides does not include base) or a pentagonal pyramid (if including base.)
A 7 sided pyramid would be called a heptahedral or heptahedron.
4-sided pyramid.