Pythagoran lause Jaa Sulje Onko suorakulmainen kolmio? https://youtu.be/jWWPN2e6apc?feature=shared Pythagoras hypotenuusa https://youtu.be/kVtpk9M0dfw?feature=shared Pythagoran sarjat - triplets for any odd number https://youtu.be/JC6tkvWhnGw?feature=shared ---- ?? Find third side of triangle without using pythogoras ?? https://youtu.be/KHCRVYUzGKk?feature=shared