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What is the total surface area of a cuboid measuring 13 cm × 9 cm × 2 cm?

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Question: What is the total surface area of a cuboid measuring 13 cm × 9 cm × 2 cm?

  1. 322 cm²
  2. 323 cm²
  3. 321 cm²
  4. 324 cm²

Correct Answer: A — 322 cm²

Explanation: A cuboid’s total surface area is 2(lw + lh + wh).
Using the values in this question gives 322 cm² as the correct answer.

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