Answer:
The surface area would be 28 square feet.
Step-by-step explanation:
To solve this, input the values for each of the variables every time you see it. l = length, w = width and h = height.
SA = 2lw + 2hw + 2hl
SA = 2(2)(1) + 2(4)(1) + 2(4)(2)
SA = 4 + 8 + 16
SA = 28
