Respuesta :

If one line is perpendicular to one of 2 parallel lines, then it must be perpendicular to the other line

Since

[tex]L\perp N[/tex]

Since

[tex]M\text{ / / N}[/tex]

Then L must be perpendicular to M

The answer is

[tex]L\perp M[/tex]

The answer is option 2