Răspuns :
P = 600 l = L : 3 ⇒ L =3l
P = 2L + 2l
600 = 2 x 3l + 2l
600 = 6l + 2l
600= 8l
l = 600 : 8
l = 75
L = 3 x 75 = 225
Verificare P = 2L + 2l = 2 x 225 + 2 x 75 = 450 + 150 = 600
P = 2L + 2l
600 = 2 x 3l + 2l
600 = 6l + 2l
600= 8l
l = 600 : 8
l = 75
L = 3 x 75 = 225
Verificare P = 2L + 2l = 2 x 225 + 2 x 75 = 450 + 150 = 600
P = 600m
L= 3I
P = 2I +2L=600
= 2I+6I = 600
8I=600
I = 600:8
I=75 m
L = 3*75=225m
L= 3I
P = 2I +2L=600
= 2I+6I = 600
8I=600
I = 600:8
I=75 m
L = 3*75=225m