Răspuns :
1)P=4xl=8cm
A=2x2=4cm^2=lxl
2)P=2x8cm+2x2cm=20cm=2xl+2xL
A=Lxl=(8x2)cm^2=16cm^2
3) 3 drepte distincte
A=2x2=4cm^2=lxl
2)P=2x8cm+2x2cm=20cm=2xl+2xL
A=Lxl=(8x2)cm^2=16cm^2
3) 3 drepte distincte