Step 2 Objective

Classify polygons, using criteria such as number of right angles, whether or not they are regular, and symmetry properties.


Probing questions

Show me a regular polygon. How do you know it is regular? What do you look for?

Is this polygon regular? (Show a shape with equal sides but not equal angles.) Why not?

Show me a polygon that is regular and has at least one right angle. Are there any others?