Introduzione ai Triangoli 30-60-90

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2wA/ Esercizi: http://www.khanacademy.org/exercise/pythagorean_theorem_2 Traduzione in Italiano del video Intro to 30-60-90 Triangles http://www.youtube.com/watch?feature=player_embedded&v=Qwet4cIpnCM http://www.khanacademy.org/video/intro-to-30-60-90-triangles?playlist=Geometry