Respuesta :

Answer:

Sid found the reciprocal of the scale factor

Step-by-step 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

[tex]\frac{20}{4}=5[/tex]

therefore

Sid found the reciprocal of the scale factor