NARRATOR: Finally, what about the sphere? So, faces? Well, just the one. Edges? Zero. Vertices? None. Oh dear! Oh well. The spheres are disappointed and one is angry. 3D shapes have faces (sides ...

Faces - A face is a flat surface on a 3D shape. For example a cube ... Triangles, pentagons, hexagons, any shape. And a circle becomes a sphere with just one large, curved face, like a ball.