Răspuns :
L=150
l=3/5 *L=> l=3*150/5=450/5=90 m
P=2L+2l=2*150 + 2*90=300+180=480m
l=3/5 *L=> l=3*150/5=450/5=90 m
P=2L+2l=2*150 + 2*90=300+180=480m
L=150m
l= 3/5 din 150m - 150m : 5 x 3=30m x 3=90m
P=150m x 2+90m x 2
P=300m+180m
P=480m
l= 3/5 din 150m - 150m : 5 x 3=30m x 3=90m
P=150m x 2+90m x 2
P=300m+180m
P=480m