Răspuns :
fie l, latimea si l+134, lungimea
2( l+l+134)=1724
2l+134=862
2l=728
l=364m
L=l+134=498m
verificare 2(364+498)=1724 A, problerma e bine rezolvata
2( l+l+134)=1724
2l+134=862
2l=728
l=364m
L=l+134=498m
verificare 2(364+498)=1724 A, problerma e bine rezolvata
P= 2*l + 2*L ; 2(L-134)+2L=1724 2L-268+2L=1724 4L-268=1724 4L=1724+268 4L=1992 L=1992:4 L=498, DECI l=498-134 l=364 . Spor la învățat!