Răspuns :
l=45m
L=45x2=90m
l=45x2=90m
L=90x2=180m
(180+90)x4=270x4=1080m sarma
L=45x2=90m
l=45x2=90m
L=90x2=180m
(180+90)x4=270x4=1080m sarma
L=2*45=90
l=45
P=2*L+2*l=2*90+2*45=180+90=270
s=270*4=1080 mde sarma au fost necesare
l=45
P=2*L+2*l=2*90+2*45=180+90=270
s=270*4=1080 mde sarma au fost necesare