L1=4*l1
L2=3/4*L1
l2=1/2*l1
P1=2(L1+l1)
P2=2(L2+l2)=1750
L2+l2=1750/2=875
Inlocuim
3/4*L1 + 1/2*l1 = 875
3/4*L1 + 2/4*l1 = 875
3/4*(4*l1) + 2/4*l1 = 875
3*4*l1 / 4 + 2*l1 / 4 = 875
12*l1+2*l1 / 4 = 875
14*l1 / 4 = 875
7*l1 / 2 = 875
7*l1 = 875*2 = 1750
l1 = 1750/7 = 250
L1 = 4*l1 = 1000
l2 = 1/2*l1 = 125
L2 = 3/4*L1 = 750