Respuesta :

ANSWER

MN = 7

EXPLANATION

Let's draw a diagram first:

Since all the points are collinear we can use the segment addition postulate:

[tex]LM+MN=LN[/tex]

Replacing with the values we know:

[tex]13+MN=20[/tex]

And solving for MN:

[tex]MN=20-13=7[/tex]

We have that the length of segment MN is 7.

Ver imagen LonzoC572728

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