Răspuns :
P=50m
2L=3l
L=3l/2
P=2(L+l)
50=2(3l/2+l)
50:2=5l/2
25=5l/2
5l=25×2
5l=50
l=50:5
l=10 m
Perimetrul = 2 x L + 2 x l = 50 m
2 x L = 3 x latimi
3 x l + 2 x l = 50 m
5 x l = 50 m
P=50m
2L=3l
L=3l/2
P=2(L+l)
50=2(3l/2+l)
50:2=5l/2
25=5l/2
5l=25×2
5l=50
l=50:5
l=10 m
Perimetrul = 2 x L + 2 x l = 50 m
2 x L = 3 x latimi
3 x l + 2 x l = 50 m
5 x l = 50 m