Cones, Cylinders, and Spheres Similarities All three shapes are round.They have curved surfaces.They all have a center point, called the “axis.” Differences Cylinders have two circular faces, while cones have one circular face and one pointed end, and spheres have no faces or edges.Cylinders and cones have a flat base, while spheres do not.Spheres have the same radius from the center to any point on the surface, while cylinders and cones do not.Cylinders and cones have a flat top, while spheres do not.Cylinders and cones have a specific height, while spheres do not. Test Your Understanding