Scale factors describe how much a shape has been enlarged (made larger). Enlarging by a scale factor of 2 means that each side of the shape has been multiplied by 2. All the sides double in length ...

XY is on the bigger figure, therefore we will be using an enlargement scale factor. \(SF_{Enlargement} = \frac{Big}{Small} = \frac{9}{8}\) Therefore \(XY\) is \(\frac ...