Răspuns :
Aria = Lxl
l=5
Aria=100
100=Lx5
L=100:5
L=20 cm
Perim=l+l+L+L
Perim=5+5+20+20
Perim=10+40
Perim=50 cm
l=5
Aria=100
100=Lx5
L=100:5
L=20 cm
Perim=l+l+L+L
Perim=5+5+20+20
Perim=10+40
Perim=50 cm