Triangles!
It is a circular shape with 3 faces and 2 edges.
it would have to be a triangle
A pentagonal pyramid has 10 edges.
Hey , its a Triangle
A Cube
sphere
a sphere
Definately a triangle
A cylinder has 2 parallel circular edges
A cylinder shape consists of 2 edges and 3 faces. A cylinder does not contain any corners or vertices.
the edges of a shape are basicly the sides of a shape
There is no such 3-d shape if it also has flat faces.