Oblicz miary kątów alfa beta gamma delta x i y

[tex]\alpha[/tex] = 180* - 150* = 30*
[tex]\beta[/tex] = 45*
γ = [tex]\beta[/tex] = 45*
δ = 90* - 10* = 80*
x = 180* - 70* - 50* = 60*
y = 180* - 70* - 60* = 50*