A simple example of a pair of skew lines is the pair of lines through opposite edges of a regular tetrahedron. Two lines that both lie in the same plane must either **cross** each other or be parallel, so skew lines can exist only in three or more dimensions. Two lines are skew if and only if they are not coplanar.

Hereof, what is the symbol for skew lines?

Parallel and Skew Lines. Two or more lines are parallel when they lie in the same plane and never **intersect**. The symbol for parallel is .

Can a line be perpendicular and skew?

The other of relationship you need to understand is **skew lines**. **Skew lines** are **lines** that are non-coplanar (they do not lie in the same plane) and never intersect.

Can a plane be skew?

In three-dimensional space, **planes** are either parallel or intersecting (in higher dimensional spaces you **can** have **skew planes**, but that's too trippy to think about). Parallel **planes** never meet, looking kind of like this: Intersecting **planes** intersect each other. Shocker.

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