Задание

Найди угол правильного \(n\) -угольника

\(n\) \(\alpha\)
\(3\) [ ] \(\degree\)
\(4\) [ ] \(\degree\)
\(5\) [ ] \(\degree\)
\(6\) [ ] \(\degree\)
\(8\) [ ] \(\degree\)
\(9\) [ ] \(\degree\)
\(10\) [ ] \(\degree\)