1
it holds two parallel bases joined by a curved surface, at a fixed distance
2
the points where two or more line segments or edges meet
3
it has a square base and triangle surfaces
4
the line that joins corners or surfaces of a shape
5
it has six faces, twelve edges and eight vertices but is longer than cube
6
it has a flat and curved surface pointed towards the top
7
it has 6 square faces, 8 vertices and 12 edges.