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
A pentagonal pyramid.
A cone by definition has only two sides. A five-sided pyramid can refer to either a square-based pyramid (four angled sides and the base) or a pentagonal-based pyramid (five visible sides).
A pyramid
A 5-sided polygon is called a pentagon.
A five sided geometric shape is called a pentagon.
A pentagonal pyramid.
A pyramid with 5 sides is a PYRAMID. First side is the SQUARE base, which you probably don't think about. Sides 2,3,4 & 5 are the four triangular faces. The pyramids of ancient Egypt are of this form. There is NO such thing as a pyramide of four sides. That is a Tetrahedron.
A nonagon based pyramid.
Hexagon shaped pyramid
A cone by definition has only two sides. A five-sided pyramid can refer to either a square-based pyramid (four angled sides and the base) or a pentagonal-based pyramid (five visible sides).
A pyramid
5 FIVE five 4+1=5
An octagonal pyramid would have 9 sides: an octagon as the base and 8 triangles from that base to the apex of the pyramid.
A 7 sided pyramid would be called a heptahedral or heptahedron.
A pyramid with a four sided base has five faces and five corners.
A five sided pyramid.
A pentagon