One curved surface (two if it is hollow) and no edges.
A cone has either one or two surfaces and either one or no edges.
Sphere, ellipsoid, torus, paraboloid, hyperboloid are shapes with only curved surfaces. Hemisphere, quadrant, cone and cylinder are examples of shapes with curved and plane surfaces. There are, of course, many others.
There is no edge in a SPHERE
A sphere has 0 edge.
1
There is 1 curved surface on a sphere
One.One.One.One.
A cone has either one or two surfaces and either one or no edges.
Sphere, ellipsoid, torus, paraboloid, hyperboloid are shapes with only curved surfaces. Hemisphere, quadrant, cone and cylinder are examples of shapes with curved and plane surfaces. There are, of course, many others.
There is no edge in a SPHERE
A sphere has 0 edge.
A sphere has no edges, because an edge is defined as where two faces meet. Likewise, it has no faces, because a face is defined as the flat surface of an object. Likewise, it has no corners either.
It has a flat base, a curved surface area, a circular edge and one vertex.
One if it is solid, two if it is hollow
2 flat and 1 curved
5
A cone has one curved surface.