They are not.
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Parallel is when they are facing the same way eg. | | OR - -
Two lines cannot be parallel and perpendicular at the same time.
They are parallel to each other.
the parallel lines never intersect each other but they both intersect the line they are perpendicular to
Parallel lines run in the same direction. If they are intersected by one line and that line is perpendicular to both, then it proves that the lines run parallel to each other.