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Parallel Lines, Skew Lines and Planes

Videos, worksheets, games and activities to help PreCalculus students learn about parallel lines, intersecting lines, skew lines and planes.

Parallel Lines are lines that remain a constant distance from each other and never intersect.

Related Topics:
More PreCalculus Lessons
, More Geometry Lessons

Parallel and Skew Lines:
Parallel lines are two lines in the same plane that never intersect. In a coordinate plane, parallel lines can be identified as having equivalent slopes. Parallel lines are traditionally marked in diagrams using a corresponding number of chevrons (or arrows). Skew lines are two lines not in the same plane that do not intersect. Parallel and skew lines are also important concepts in Algebra and upper-level math courses.

Learn about intersecting and parallel lines.
Learn about skew lines.

Learn what parallel, skew and intersecting lines are.
Skew Lines - Geometry Help
Students learn the definitions of parallel lines, skew lines.

Parallel Planes and Lines:
In Geometry, a plane is any flat, two-dimensional surface. Two planes that do not intersect are said to be parallel. Parallel planes are found in shapes like cubes, which actually has three sets of parallel planes. The two planes on opposite sides of a cube are parallel to one another.

How to identify parallel lines, a line parallel to a plane, and two parallel planes.
Learn about intersecting and parallel planes (part 1).

Learn about intersecting and parallel planes (part 2).

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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