The scaled copy of a shape is the enlarged or compressed copy of the shape.
From the figure (see attachment), we have the following similar sides:
This means that the corresponding segment of segment PL is segment ST
Also, the side of the larger polygon is three times the sides of the smaller polygon.
This means that, the scale factor is 1/3
Read more about dilation at:
https://brainly.com/question/10253650