The side A'C' after dilation is 3
Given the triangle ABC, if the side AC is 6
The side AC = 6
If it is dilated by 50%, then the resulting pre-image is expressed as;
A'C' = 0.5(6)
A'C' = 3
Hence the side A'C' after dilation is 3
Learn more on dilation here: https://brainly.com/question/10253650