Răspuns :
75%*648=3/4*648=486
lungimea gardului=P=2*(648+486)=2*1134=2268
lungimea gardului=P=2*(648+486)=2*1134=2268
L = 648 hm
l = 648 * 75/100 = 486 hm latimea
P = 2 * 648 + 2 * 486
P = 1296 + 972
P = 2268 hm are gardul
l = 648 * 75/100 = 486 hm latimea
P = 2 * 648 + 2 * 486
P = 1296 + 972
P = 2268 hm are gardul