Răspunsuri

Cel mai inteligent răspuns!
2014-10-11T09:24:57+03:00
Lungimea = x
latimea = y

y/4=x/7=k
y/4=k  y=4k
x/7=k  x=7k   35=7k   k=35/7=5
y=4*5=20

P=2*latime+2*lungime=2*20+2*35=40+70=110
1 5 1