Question

HELPPPPPPPP
the locus of points equidistant form a pair of parallel lines in which of the following?

1) a circle
2) perpendicular bisector
3) one parallel line in between
4) three parallel lines

i think its 3 am i right?

Answer 1

say the parallel lines were railroad tracks. Say you wanted to walk along the tracks the same distance from both rails so you could touch both rails at the same time.
where would you walk ?

Answer 2

in the middle?

Answer 3

is the answer 3?