Answer:
Choice D. Total surface area = 8 + 8 + 4 + 4 + 2 + 2
Step-by-step explanation:
You want surface area of this rectangular prism
If you notice there are 6 faces of this prism
two faces with area 1*2 = 2
two faces with area 4*1 = 4
two faces with area 4*2 = 8
Total surface area = 8 + 8 + 4 + 4 + 2 + 2
