Notam : L=x
l=1supra3 *x +3
P = 2L+2l
110= 2x+ 2xsupra3 +6
110-6=2x+2xsupra3
104 = 2xsupra1 +2xsupra3 apoi aducem la numitorul comun
104=6x+2xtotul supra 3
104*3=8x
8x=312
x=312:8
x=39 cm
Lungimea e 39 cm
Latimea e : 1supra3 *x +3
1supra3*39+3=13+3=16 cm
latimea e 16 cm
