In this video segment, the participants calculate the areas of the squares built on the right triangles. As they do the activity, a pattern begins to emerge, and they are able to formulate the relationship they discovered.
Was your method of calculating areas similar to or different from the one shown here? Can you come up with yet another way of doing this?
If you are using a VCR, you can find this segment on the session video approximately 4 minutes and 58 seconds after the Annenberg Media logo.