Răspuns :
a+b+c=114
{a,b,c}dp{5,6,8}
a/5=b/6=c/8=k
a=5k
b=6k
c=8k
5k+6k+8k=114
19k=114
k=114:19
k=6
a=5×6=30 cm
b=6×6=36 cm
c=8×6=48
{a,b,c}dp{5,6,8}
a/5=b/6=c/8=k
a=5k
b=6k
c=8k
5k+6k+8k=114
19k=114
k=114:19
k=6
a=5×6=30 cm
b=6×6=36 cm
c=8×6=48
P=a+b+c=114
a/5=b/6=c/8=(a+b+c)/(5+6+8)=114/19=6
a/5=6=>a=30
b/6=6=>b=36
c/8=6=>c=48
a/5=b/6=c/8=(a+b+c)/(5+6+8)=114/19=6
a/5=6=>a=30
b/6=6=>b=36
c/8=6=>c=48