They have a scale factor of 5:6 so first we need to find the perimeter of KLM:
[tex]11 + 14 + 17 = 42[/tex]
Then apply the scale factor of 5:6:
[tex] \frac{5}{6} = \frac{x}{42} [/tex]
Set the denominators equal:
[tex] \frac{35}{42} = \frac{x}{42} [/tex]
So we see that the perimeter of GHJ is 35.
