Urči základní velikost úhlu:
\( -17\:540\degree \)
\( \large -260\degree = 360-260 = 90\degree \)
\( \large -260\degree = 360-260 = 120\degree \)
\( \large -260\degree = 360-260 = 100\degree \)
\( \large -260\degree = 360-260 = 110\degree \)
