Similar Figure in Real Life
Why is it Important to Know How to Identify Similar Figures?
It is important to know how to identify similar figures because if you don't know if they are similar or not you will not be able to tell if one of the figures is a dilation of the other.
How to find the scale factors of similar figures?
You can find the scale factors of similar figures by dividing the side length of the image by the side length of the pre-image of a dilation.