If a rectangle has length 9 and width 2, what is its perimeter?

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Multiple Choice

If a rectangle has length 9 and width 2, what is its perimeter?

Explanation:
Perimeter is the distance around a rectangle. To find it, add the length and width, then multiply by 2 because there are two of each side. With length 9 and width 2, 9 + 2 = 11, and 2 × 11 = 22. So the perimeter is 22. The other numbers come from common mistakes like doubling only one dimension (which would give 18) or using an incorrect width, which can lead to 20 or 24; but the correct approach accounts for two of each side, totaling 22.

Perimeter is the distance around a rectangle. To find it, add the length and width, then multiply by 2 because there are two of each side. With length 9 and width 2, 9 + 2 = 11, and 2 × 11 = 22. So the perimeter is 22. The other numbers come from common mistakes like doubling only one dimension (which would give 18) or using an incorrect width, which can lead to 20 or 24; but the correct approach accounts for two of each side, totaling 22.

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