Pythagorean Discoveries

This demonstration is part of over thirty elementary one geometry demonstrations which are available on EdVid’s online video delivery system. For more information on this service go to www.edvid.com. EdVid also has virtually all the elementary math demonstrations and a growing library of elementary one language and geography demonstrations. In total we have over 600 videos on Montessori issues, school leadership, assistant training, student recruitment, parent orientation, staff development and more. Edvid also offers online courses and a broad range of DVDs.

[@marcosni]

Great video, but how do you prove the sum of the yellow and red triangles is equal to the gray triangle's area?