Umie ktos?
Proszę obliczenia :)
![Umie Ktos Proszę Obliczenia class=](https://pl-static.z-dn.net/files/da0/a62ac5db7e0f008811cf5f8d629fe4b7.jpg)
α = 60°
α+α= 2α = 2×60° = 120°
δ = 180° - 120° = 60°
β = δ, więc β = 60°
γ = 180° - 2×60° = 60°