A perpendicular line is a line that creates two 90 degree angles at the line, segment, etc. that it intersects. Parallel lines are two lines that never intersect.
Perpendicular lines cross at right angles (+)
Parallel lines will never meet, no matter how far they are extended (=)
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One single line is never parallel or perpendicular. Those words tell you somethingabout the relationship between two lines.
One single line is never parallel or perpendicular. Those words tell you somethingabout the relationship between two lines.
They're parallel.
Start with a line, L1. Draw a line perpendicular to it, L2. Next draw a line perpendicular to L2, but not the same as L1. This last line will be parallel to L1.
No they are perpendicular if the intersect at a right angle. + is perpendicular, = is parallel