# Chapter 7 - Similarity - Chapter Test - Page 483: 10

The print measures $13.5$ cm on its longer side.

#### Work Step by Step

We can set up a proportion that compares the dimensions of a negative to the dimensions of the print: $\frac{3}{2} = \frac{x}{9}$ Use the cross products property to eliminate the fractions: $2x = 27$ Divide each side by $2$ to solve for $x$: $x = 13.5$ cm The print measures $13.5$ cm on its longer side.

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