Răspuns :
l=L-102
P=2(L+l)⇒748=2(L+L-102)⇒784/2=2L-102⇒392=2L-102⇒494=2L⇒L=494/2⇒L=247
l=L-102⇒l=247-102⇒l=145
784:2=392
392-102=290
290:2=145/ o latime
784-290=494
494:2=247/ o lungime
494-290=204
204:2=102
392-102=290
290:2=145/ o latime
784-290=494
494:2=247/ o lungime
494-290=204
204:2=102