Răspunsuri

  • Utilizator Brainly
2014-04-25T10:18:15+03:00
 perimetrul =120:2=60 cm lungimea iar lungimea o inparti la2=30 cm =>latimea
sper ca te-am ajutat!
13 4 13
2014-04-25T10:20:28+03:00
P=L+L+l+l
P=2L+2l=120
2(L+l)=120
L+l=120:2
L+l=60

l=L/2
L+L/2=60. Amplif cu 2
2L+L=120
3L=120
L=120:3
L=40

l=L/2
l=40/2
l=20

11 4 11