Respuesta :

watsonultra2

Step-by-step explanation:

7. Since they are similar triangles we have:

[tex] \frac{10}{8} = \frac{x}{12} \\ \\ x = 15[/tex]

So DF is 15

8. They are also similar. So:

[tex] \frac{14}{7} = \frac{x}{5} \\ x = 10[/tex]

So PR is 10

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