10 min plz am nevoie

Răspuns:
Explicație pas cu pas:
P=2(L+l)=96=> L+l+48
l=50%L=>l=[tex]\frac{L}{2}[/tex]=> [tex]\frac{L+L}{2}[/tex]=48
=>2L+L=2*48=>2L+L=2*48=>3L=2*48
L=2*16=32m, l=[tex]\frac{L}{2}[/tex]=[tex]\frac{32}{2}[/tex]=16m
A=L*l=32*16=512m la 2