Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2vx/ Esercizi: http://www.khanacademy.org/exercise/pythagorean_theorem_1 Traduzione in Italiano del video The Pythagorean Theorem http://www.youtube.com/watch?feature=player_embedded&v=AA6RfgP-AHU http://www.khanacademy.org/video/the-pythagorean-theorem?playlist=Geometry Help us caption & translate this video! http://amara.org/v/B2vx/