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What is the curved surface area of a cylinder of radius 5 cm and height 2 cm, in terms of π?

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Question: What is the curved surface area of a cylinder of radius 5 cm and height 2 cm, in terms of π?

  1. 21π cm²
  2. 20π cm²
  3. 19π cm²
  4. 22π cm²

Correct Answer: B — 20π cm²

Explanation: The curved surface area of a cylinder is 2πrh.
Using the values in this question gives 20π cm² as the correct answer.

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