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CORONITAAAAAAAAAAAAA !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Aflati masura celui de-al treilea unghi al triunghiului stiind ca celelalte doua unghiuri au masurile de 56 de grade,respectiv 85 de grade...

AJUTOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOORRRRRRRR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DAAAAAUUUUUUUUU COOOORRRRROOOOOOOONNNNNIIIIIIIIIIIIIIIIIIIIIIIIITTTTTTTTTTTTTTTTTAAAAAAAAAAAAAAAA !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


Răspuns :

56 grade + 85 grade + x = 180 grade
x = 180 - (56 + 86)
x = 180 - 141
x = 39 de grade

180grade-(56grade+85 grade)=180-141=39 grade