option b ![7.5\ units](/tex.php?f=7.5\ units)
step-by-step explanation:
we know that
the distance from point n to lm in the figure is equal to the distance of the perpendicular line to lm that passes through the point n
so
the distance is equal to the segment no
> given problem
therefore
the distance from point n to lm is equal to ![7.5\ units](/tex.php?f=7.5\ units)