Answer:
Sid found the reciprocal of the scale factor
Explanation:
we know that
In a enlargement, the scale factor is greater than 1
To find out the scale factor, divide the corresponding side of the larger rectangle by the corresponding side of the original rectangle
so
![(20)/(4)=5](https://img.qammunity.org/2021/formulas/mathematics/high-school/ossegqhqr3xuxu3q7op9mz6uqth9xzbv49.png)
therefore
Sid found the reciprocal of the scale factor