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The four relationships two lines in space can have are perpendicular, parallel, skew, and intersecting.
perpendicular refers to when lines are crossing each other making four ninety degree angles.
Parallel lines have the same slope and therefore remain the same distance from each other forever; they never touch.
Intersecting lines cross without making ninety degree angles.
Skew line are lines that do not intersect and are also not parallel. Its like a bridge. cars drive across it and do not hit the cars below although from a aerial view they are in the same place. Because of this phenomenon skew lines cannot exist in a two dimensional situation. Skew lines can only be present in 3 or more dimensional situations.
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How many common points for intersection of four lines?
- If you're working on a single sheet of paper (2-D), then you can draw four lines that intersect in 1, 2, 3, 4, 5, or 6 points. - If in 3-D space, then you can also draw four lines that don't intersect at all.
What all possible relationships between two lines?
they share 2 points
What are lines that go on foever and never cross?
In 2-dimensional space they must be parallel. In 3-d space they be parallel or skew lines I believe.
What four sided shape has 2 lines of symmetry?
rectangle....
How many angles are formed when 2 lines cross?
Four of them.
