Răspuns:
P= 2L+2l = 2(L+l) =224 m
L+l= 224:2 = 112 m
l= [tex]\frac{L}{3}[/tex] +8 l-8= [tex]\frac{L}{3}[/tex] => L= 3(l-8) = 3l-24
L+l=112 3l-24+l= 112
4l= 112+24= 136 l= 136:4= 34 m latimea
L= 112-34= 78 m lungimea
Salut!
P=2(L+l)=224m=>L+l=112m
[tex]l=\frac{L}{3} +8\\[/tex]
[tex]\frac{L}{3} +8+L=112m=>4L+24=336=>4L=312=>L=78m[/tex]
[tex]l=26+8=34m[/tex]
Bafta!
