Respuesta :

KN/NM = KL/LM

4/NM = 8/5

[tex]\frac{4}{NM}=\frac{8}{5}[/tex]

cross-multiply

[tex]8NM\text{ = 4}\times5[/tex][tex]8NM=20[/tex]

Divide both-side of the equation by 8

[tex]NM=\frac{20}{8}[/tex][tex]NM=2.5[/tex]

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