Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2vq/ Esercizi: http://www.khanacademy.org/exercise/angles_1 Traduzione in Italiano del video The Angle Game http://www.youtube.com/watch?feature=player_embedded&v=kqU_ymV581c http://www.khanacademy.org/video/the-angle-game?playlist=Geometry