Answer:
Explanation:
Area of top and bottom faces:
Area of front and back faces:
- 2(10*10 - 8*5) = 2(100 - 40) = 2(60) = 120 in²
Area of left and right faces:
- 2(10*10 - 8*5) = 2(100 - 40) = 2(60) = 120 in²
Total surface area:
- S = 200 + 120*2 = 440 in²
Correct choice is C