Question 384061
{{{drawing(300,300,-5,5,-5,5,grid(1),blue(line(-3,100,-3,-100)),blue(line(3,100,3,-100)),circle(-3,2,0.2),circle(3,2,0.2),green(line(-3,2,3,2)),graph(300,300,-5,5,-5,5,0))}}}
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The distance between the blue lines is {{{6}}} units.