0- a sphere is a 3D surface with continuous curvature ( it does not have to have any flat areas)
Chat with our AI personalities
a sphere, of course!
Two. Considering this is a two-dimensional object, cut out of a piece of paper it would have two flat surfaces, the front and the back. If your talking a about a sphere, the three-dimensional object of a circle, it has no flat surfaces considering it is round.
There are 5 flat surfaces.
2 flat and 1 curved
2