Răspunsuri

  • Utilizator Brainly
2014-05-14T14:42:40+03:00
P=L+L+l+l=90
L=2l

2L+2l=90/:2
L+l=45

2l+l=45
3l=45
l=15
L=2x15
L=30
2014-05-14T14:46:47+03:00
P=2(L+l)
L+l=90:2=45
PRIN METODA GRAFICA
UN SEGMENT LATIMEA,DOUA SEGMENTE LUNGIMEA
45:3=15 LATIMEA
15.2=30 LUNGIMEA