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It means the lines will never meet, even if they went on infinitely long. The lines move in exactly the same direction, even if their length is different. Another way to think about it, is that you could lay one line over the other, and you would only see one line (because they line up exactly).
To help visualize this, lay to pencils side by side so that the eraser is flush with something (a piece of paper, table end, etc.). These pencils are said to be parallel.
With a square, the "top" and "bottom" lines are parallel to each other. The "left" and "right" lines are parallel to each other. But, for example, the "top" and "left" lines are perpendicular to each other, which just means they form a 90 degree angle.
The symbol used to denote parallel is: ∥ (two parallel lines actually)
So A ∥ B just means A is parallel to B.
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What does transversal lines mean?
They are lines that cut through parallel lines
What do geometric lines mean?
They could be: parallel lines, perpendicular lines or intersecting lines
What is the difference formula for parallel and perpendicular lines?
parellel lines mean they are to lines the same
Are lines that never intersect parallel or perendicular?
parallel. Perpendicular mean 2 lines connect at a 90 degree angle
What we mean by parallel sides?
Parallel sides are lines that remain the same distance apart.
