Respuesta :

Answer

[tex]surface \ area = 2( lb + bh+hl) = 2(6 + 12 + 8) =2*26 = 52cm^2[/tex]

Answer:

52 cm^2.

Step-by-step explanation:

SA = 2 (2*3 + 3*4 * 2*4)

= 2 * 26

= 52 cm^2.