Răspuns :
Arie patrat= lxl
Arie patrat=3.5x3.5
Arie patrat=12.25 cm patrati
L=5 cm
l=L:2
l=2.5 cm
Aria= lxL
Aria=5*2.5
Aria=12.5 cm patrati
Arie patrat=3.5x3.5
Arie patrat=12.25 cm patrati
L=5 cm
l=L:2
l=2.5 cm
Aria= lxL
Aria=5*2.5
Aria=12.5 cm patrati