[tex]\\ \bull\tt\dashrightarrow Scale\: factor[/tex]
[tex]\\ \bull\tt\dashrightarrow Ratio\:of\:sides[/tex]
[tex]\\ \bull\tt\dashrightarrow \dfrac{2}{1}[/tex]
[tex]\\ \bull\tt\dashrightarrow 2[/tex]
Answer:
Since the length of second polygon of second one is twice of first one
So
Scale factor is 2.
