Odpowiedź:
a) α = 90°
β = 60°
[tex]\gamma[/tex] = 360° - (90° · 2 + 60°) = 360° - 240° = 120°
[tex]\delta[/tex] = 90°
b) α = 180° - 130° = 50°
β = 130°
[tex]\gamma[/tex] = 180° - 130° = 50°
[tex]\delta[/tex] = 130°
c) α = 70°
β = 180° - 70° = 110°
[tex]\gamma[/tex] = 70°
[tex]\delta[/tex] = 180° - 70° = 110°
