Answer:
the scale factor is 2
Step-by-step explanation:
we know that
If two figures are similar, then the scale factor is equal to the ratio of its corresponding sides
so
Let
z-----> the scale factor
[tex]\frac{A'B'}{AB}=\frac{A'D'}{AD}[/tex]
substitute the values
[tex]\frac{4}{2}=\frac{6}{3}[/tex]
[tex]2=2[/tex] ----> is true
therefore
the rectangles are similar and the scale factor is 2
