Răspuns :
P=2×L+2×l=1436 sau L+l=718
L=28+2l
28+2l+l=718
3l=718-28
3l=690
l=690:3
l=230
L=28+230×2
L=28+460
L=488
L=28+2l
28+2l+l=718
3l=718-28
3l=690
l=690:3
l=230
L=28+230×2
L=28+460
L=488
P = 1436 = 2L + 2l si L = 28 + 2l
1436 = 2(28 + 2l) + 2l
1436 = 56 + 4l + 2l
1380 = 6l
l = 230 m
L = 488 m
1436 = 2(28 + 2l) + 2l
1436 = 56 + 4l + 2l
1380 = 6l
l = 230 m
L = 488 m