Perimetrul = Lx2 + lx2 = 8x2 + 4x2 = 16 + 8 = 24 cm
Problema:
(Lx2) + 3 + (lx2) + 3 = (8x2) + 3 + (4x2) + 3 = 19 + 11 = 30 cm
