Răspuns :
P=2 rad 2 *4
P=8 rad 2
A= 2 rad 2 * 2 rad 2
A=8
rad-radical
P-perimetru
A-aria
Spor!
Perimetru= 2 radical 2*4
Perimetru=8 radical 2
Aria=2 radical 2*2 radical 2
Aria=8
Perimetru=8 radical 2
Aria=2 radical 2*2 radical 2
Aria=8