Question

Exercitiul 6 cei care nu stiti nu raspundeti :)

Answer 1

a,b,c masurile
avem a.$\frac{1}{4} =b. \frac{1}{5} =c. \frac{1}{6}$
$\frac{a}{4} = \frac{b}{5}= \frac{c}{6} =k \\ a=4k,b==5k,c=6k \\ a+b+c=180 \\ 15k=180 \\ k=12$
a=48,b=60,c=72