Question

What is the surface area of this design?

Answer 1

The surface area of this design is
`256\ in^(2)`

Explanation:

we know that

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

so

In this problem

`SA=(5*8)*2+(8*5)*2+(8*4+4*4)*2=80+80+96=256\ in^(2)`