parallel lines
lines in the same plane that never intersect
Parallel lines are two or more lines that never intersect, no matter how far they extend in either direction. They are always equidistant from each other and have the same slope, but may have different y-intercepts.
In geometry, parallel lines are represented by the symbol ‘||’. When two lines are parallel, their corresponding angles are congruent (equal in measure), their alternate interior angles are congruent, their alternate exterior angles are congruent and their corresponding angles are equal.
Parallel lines play an important role in various areas of mathematics, including geometry, trigonometry, and calculus. They are used in applications such as construction, engineering, and surveying. Some real-world examples of parallel lines include railroad tracks, beams of a tall building or bridge, and the edges of a street.
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