Question

aflati masurile unui triunghi daca ele sins direct proportionale cu numerele 2 3 4.Dau coroana

Answer 1

a+b+c=180
$\frac{a}{2} = \frac{b}{3} = \frac{c}{4} = k$
a=2k
b=3k
c=4k
2k+3k+4k=180
9k=180
k=20
a=40  b=60  c=80