If a scale factor of 2 is applied to a square with side length 3 cm, what is the new side length?

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Multiple Choice

If a scale factor of 2 is applied to a square with side length 3 cm, what is the new side length?

Explanation:
A scale factor tells you how much to multiply every linear dimension. Doubling the size means every side becomes twice as long. For a square with a 3 cm side, the new side length is 3 × 2 = 6 cm, and the units stay in centimeters. If you ever looked at area, you’d multiply by the square of the scale factor (2^2 = 4), so the area would go from 9 cm^2 to 36 cm^2. The other numbers correspond to multiplying by different factors (1, 3, or 0.5), but with a scale factor of 2, the side length is 6 cm.

A scale factor tells you how much to multiply every linear dimension. Doubling the size means every side becomes twice as long. For a square with a 3 cm side, the new side length is 3 × 2 = 6 cm, and the units stay in centimeters. If you ever looked at area, you’d multiply by the square of the scale factor (2^2 = 4), so the area would go from 9 cm^2 to 36 cm^2. The other numbers correspond to multiplying by different factors (1, 3, or 0.5), but with a scale factor of 2, the side length is 6 cm.

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