Respuesta :

the surface area is 256in^2

Answer:

The surface area of this design is [tex]256\ in^{2}[/tex]

Step-by-step explanation:

we know that

The surface area is the area of the total faces of the solid

so

In this problem

[tex]SA=(5*8)*2+(8*5)*2+(8*4+4*4)*2=80+80+96=256\ in^{2}[/tex]