A triangular prism has three rectangular faces and two ... This is shown in the formula \(E\) = \(V\) + \(F\) – 2 The flat surface of a cube is a face. Each face of a cube is a square.

Here is the net of a triangular prism. Why not see how much you know about this topic already? Then complete the page and see if you can beat your score. A polygon is a flat shape with straight sides.