Question

Masurile unghiurilor unui triunghi sunt direct proportionale cu numerele 5 10 15.

Answer 1

a/5=b/10=c/15=(a+b+c)/(5+10+15)=180/30=6
a=5x6=30
b=10x6=60
c=15x6=90

Answer 2

a/5=b/10=c/15=k
a=5k
b=10k
c=15k
5k+10k+15k=180
30k=180
k=180/30
k=6
a=30
b=60
c=90