Question

What is the surface area of this design?

5 in.
5 in.
490 ina
8 in.
440 in?
600 in2
2 in.
560 in
10 in.
10 in.
A

Answer 1

440
`in^2`

Explanation:

Find the area of each of the faces and add them all up

bottom: (10)(10) + (10)(2) + (10)(2) + (5)(10) + (5)(5) + (10)(2) + (10)(2) = 255
`in^2`

top: (5)(8) + (5)(8) + (5)(8) + (5)(8) + (5)(5) = 185
`in^2`

255 + 185 = 440
`in^2`