Răspuns :
L=4l
P=32.6
P=2l+2L=32.6 /:2
L+l=16.3
4l+l=16.3
5l=16.3
l=16.3:5
l=3.26
L=3.26*4
L=13.04
P=32.6
P=2l+2L=32.6 /:2
L+l=16.3
4l+l=16.3
5l=16.3
l=16.3:5
l=3.26
L=3.26*4
L=13.04