Răspuns :
Răspuns:
Explicație pas cu pas:
a/3 = b/5 = c/10 = k
a = 3k
b = 5k
c = 10k
a + b + c = 180 grade
3k + 5k + 10k = 180
18k = 180
k = 10
a = 3*10 = 30 grade
b = 5*10 = 50 grade
c = 10*10 = 100 grade
Daca te referi la direct proportionale...
si orice triunghi are 180grade..
[tex]\frac{a}{3} =\frac{b}{5} =\frac{c}{10} =\frac{a+b+c}{3+5+10} =\frac{180}{18} =10=>\\a=30\\b=50\\c=100[/tex]