At a junction or crossroads - STOP before proceeding.
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dont cross
They are parallel to each other.
Perpendicular is when two lines cross... Parallel is when two lines never meet.... _____________ _____________ = PARALLEL LINES If they cross they are perpendicular, if they don't, they are parallel.
2 parallel lines are lines that will never intersect
Two lines that are not parallel are perpendicular. The symbol is +.