It has 4
Two.
16 vertices.16 vertices.16 vertices.16 vertices.
A pentacontagon has 50 vertices (not vertices's!).
5 vertices
8 vertices
An oblong based pyramid has 5 faces.
4
Two.
8
An oblong is another term for a rectangle therefore it has four right angles.
16 vertices.16 vertices.16 vertices.16 vertices.
A pentacontagon has 50 vertices (not vertices's!).
none
8 vertices
it has 30 vertices
Eight vertices
5 vertices