Respuesta :

Part a : scale factor is 3:1
Part b: scale factor would be 1:3

Answer:

see explanation

Step-by-step explanation:

The scale factor is the ratio of corresponding sides, image to original.

A

scale factor = [tex]\frac{3}{9}[/tex] = [tex]\frac{1}{3}[/tex]

B

scale factor = [tex]\frac{9}{3}[/tex] = 3