square based triangle
triangular prism
sphere.
A sphere
A cylinder
A cylinder
A cylinder would seem to fit the given description
The shape you are describing is a triangular prism. It has six vertices, nine edges, and five flat faces (two triangular faces and three rectangular faces). Additionally, it has no curved surfaces, as all its faces are flat.
a cylinder l
a sphere, of course!
Sphere * * * * * Not true. A sphere does have a curved face. A point has none.
Prism
square