a closed, flat figure is a polygon. But it is only a polygon when it is not round.
Chat with our AI personalities
the flat surfaces of a solid figure are the
One of the figure which has no flat surface is Sphere.
A a solid figure on a flat surface is a plane figure (I do believe)
Closed
The flat surface of a solid figure is called a face. For example, a rectangular prism has 6 flat surfaces and therefore 6 faces.