Question: What is the total surface area of a cuboid measuring 12 cm × 12 cm × 2 cm?
- 384 cm²
- 385 cm²
- 383 cm²
- 386 cm²
Correct Answer: A — 384 cm²
Explanation: A cuboid’s total surface area is 2(lw + lh + wh).
Using the values in this question gives 384 cm² as the correct answer.