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 ...
Proportions can be used to compare lengths of different sized shapes. To work out how much bigger a shape is compared to a smaller one, divide the bigger length by the corresponding smaller length.
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