Triangles, pentagons, hexagons, any shape. And a circle becomes a sphere with just one large, curved face, like a ball. Perfect for, uh, rolling. Strike! I mean…oh come on now. Her shape ...

Polygons have three or more sides. Have a look at these three shapes. One of them is not a polygon. Can you work out which? A circle is not a polygon because it doesn’t have straight sides.