Răspuns :
fie x- latimea
prin urmare lungimea=5x
Perimetrul paralelogramului= 2*latime+2*lungime= 2x+ 2*(5x)= 2x+10x=12x
12x=450
x=37.5
deci lungimea= 5*37.5=187.5
prin urmare lungimea=5x
Perimetrul paralelogramului= 2*latime+2*lungime= 2x+ 2*(5x)= 2x+10x=12x
12x=450
x=37.5
deci lungimea= 5*37.5=187.5
P=450cm
L=5l
(L+l)*2=450
l+5l=450/2=225
6l=225
l=225:6=37,5cm
L=37,5*5=187,5
L=5l
(L+l)*2=450
l+5l=450/2=225
6l=225
l=225:6=37,5cm
L=37,5*5=187,5