A circle or a sphere.
a sphere
a sphere
A cone
sphere.
A cylinder is a solid shape that has a curved surface. It features two parallel circular bases connected by a curved surface that wraps around the sides. Other examples of solid shapes with curved surfaces include spheres and cones. Each of these shapes has distinct characteristics but shares the common feature of having at least one curved surface.
a sphere
a sphere
curved
Spheres and spheroids have.Wait ! Don't go away. Any solid of revolution generated bya plane figure with only curves will have only a curved surface.
a sphere
Cylinder
Cylinder
A cone
A sphere.
sphere.
a rectangle
A line?