Question

What is the surface area of this rectangular prism?

196 ft2
240 ft2
256 ft2
21 ft2

Answer 1

256 ft²

Explanation:

4 lateral faces + 2 bases

The total area

`=2 * (12 * 4) + 2 * (12 * 5) + 2 * (5 * 4)`

`= 96 + 120 + 40`

`= 256`