plisss to pilne dam najjj i obs szybko

Odpowiedź:
a) a = 180° - (70° + 50°) = 180° - 120° = 60°
b) b = 180° - (90° + 25°) = 180° - 115° = 65°
c) y = 180° - [110° +(180° - 120°) = 180° - (110° + 60°) = 180° - 170° = 10°