Răspuns :
latura rombului=latimea paralelogramului=L/3=75/3=25m
Promb=4*l=4*25=100m
Pp=2L+2l=2*75+2*25=150+50=200m, perimetrul total vafi suma dintre Pr si Pp din care vom scadea cele doua laturi comune de 25m fiecare
Pt=Pr+Pp-2l=100+200-2*25=250m
L/3=75/3=25m, Promb=4l=425=100mPp=2L+2l=275+225=150+50=200mPt=Pr+Pp-2l=100+200-2*25=250m