Răspuns :
P=360 m
L=l×4
L=?
l=?
Sp=360:2
Sp=180m
L+l=180m
4l+l=180m
5l=180m
l=180:5
l=36m
L=36×4
L=144m
V:360=(36+144)×2
=180×2
=360m
L=l×4
L=?
l=?
Sp=360:2
Sp=180m
L+l=180m
4l+l=180m
5l=180m
l=180:5
l=36m
L=36×4
L=144m
V:360=(36+144)×2
=180×2
=360m