A circle. A Moebus strip.
A cone has one vertex and one edge.
triangle
A cone has one vertex, one edge, and one base.
The edge of a 3D shape is called an "edge." It is the line segment where two faces of the shape meet. In geometric terms, an edge is one of the fundamental components that define the structure of polyhedra and other solid figures.
A line?
A circle?
A cone.
An edge.
It's called a mobius strip.
A cone.
The edge is this ___ that would be an edge on a shape
A cone, a section of a sphere.