Răspunsuri

  • Utilizator Brainly
2014-09-08T12:33:03+03:00
P=43,2 m
l=50/100 * L=1/2*L=L/2 
=> L=2l
P=2L+2l= 2*2l+2l=4l+2l=6
6l=43,2/:6
l=7,2m
L=2*l=2*7,2=14,4m