Răspunsuri

2014-03-20T15:20:41+02:00
Consider L=3x si l=3x/3+8=x+8
P=2(l+L)=2(x+8+3x)=224 m
4x+8=112 m ⇒ 4x=112-8=104 m ⇒ x=26m
l=26+8=34 m
L=3*26=78 m
verificare 2(34+78)=2*112=224 m
2 5 2