Respuesta :

area = 2 · (h · d + h · w + d · w)
area = 2 · (2 · 6 + 2 · 2 + 6 · 2)
area = 2 · (12 + 4 + 12)
area = 2 · (28)
area = 56

answer
s = 56 cm^2 (second choice)