Answer:
42 square feet
Step-by-step explanation:
surface area = 2(length)(width) + 2(length)(height) + 2(width)(height)
I am multiplying each of these by two because there are two sides that are the same.
surface area = 2(3)(2) + 2(3)(3) + 2(3)(2)
= 12 + 18 + 12
= 42 square feet
