PROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELPPROSZE HELP

[tex] \alpha = 50[/tex]
[tex] \beta = 180 - 30 - 50 = 100[/tex]
[tex] \gamma = 180 - 100 - 50 = 30[/tex]
[tex]o = 180 - 130 = 50[/tex]