Answer:
The scale factor tells you the ratio of any two corresponding lengths in two similar geometric figures. The formula is Scale factor = Dimensions of the new shape ÷ Dimensions of the original shape.
Explanation:
Scale factors can be used to calculate the dimensions of a new figure or the original figure by substituting the values in the same formula. It is also used to create maps and other scale diagrams.
Hope this is helpful to you!!
B is the answer they provide factual information to support the authors point of view
