Odpowiedzi

2010-02-18T21:08:18+01:00
Π to 180⁰
13/12π to x
x=13/12*180⁰
x=195⁰
2010-02-18T21:12:00+01:00
Α=13/12π
α=13/12*180⁰=2340/12=195⁰

Odp: C.