Va rog ! dau coroana
![Va Rog Dau Coroana class=](https://ro-static.z-dn.net/files/dac/b90a083851f70cd222cb4d678338c385.jpg)
Explicație pas cu pas:
a) 180-(35+75)= 180-110= 70°
b) 180-(40+65)= 180-105=75°
c)180-(25'33+81'27)= 180-106'50= 173'50°