Answer: A. The ratios of corresponding sides of ABC and A'B'C' are proportional
Step-by-step explanation:
Given : Kenneth graphed the triangle A'B'C' by dilating triangle ABC.
We know that a dilation is a transformation that creates images of same shape but different size.
It creates similar shapes and the ratio of the corresponding side-lengths of the similar shape is proportional.
Therefore, the ratios of corresponding sides of ABC and A'B'C' are proportional.