Two figures are similar. The ratio of the corresponding sides between the figures 4 to 12. Based on the ratio, which could be the scale factor used dilate one figure to create the other?

A. 3/4

B. 3.4

C. 0.4

D. 3

1 answer

The scale factor is the ratio of the corresponding sides. In this case, the ratio is 4:12, which simplifies to 1:3. Therefore, the scale factor is 3/1 = 3. The answer is (D).