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 five sided pyramid! Ha!
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