If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Triangoli 30-60-90 Parte 2
Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2wC/
Traduzione in Italiano del video
30-60-90 Triangles II
Help us caption & translate this video!