What is the perimeter of a 9 cm by 3 cm rectangle?

Question: What is the perimeter of a 9 cm by 3 cm rectangle?

  1. 25 cm
  2. 23 cm
  3. 26 cm
  4. 24 cm

Correct Answer: D — 24 cm

Explanation: A rectangle’s perimeter equals twice the sum of length and width.
Using the values in this question gives 24 cm as the correct answer.

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