Are you ready to find missing side measurements of polygons?

First what is a polygon?  

How do you think we might find the measurement of an unknown side length?

At the end of today's lesson, you should be able to say:

I can find the perimeter of polygons.

I can find the perimeter of polygons when one side     length is missing.

Here is our lesson on perimeter today:

Learn Zillion Perimeter