no; they can be vertical and horizontal as well.
Parallel lines
Parallel lines are ALWAYS coplanar.
That is the correct spelling of "parallel lines" (coplanar lines always a fixed distance apart).
no
Parallel lines in Euclidean space are always coplanar.
Parallel lines
Parallel lines are ALWAYS coplanar.
That is the correct spelling of "parallel lines" (coplanar lines always a fixed distance apart).
no
Parallel lines in Euclidean space are always coplanar.
Parallel lines cannot intersect in the Euclidean plane. Intersecting lines are not parallel.
They are parallel lines
They are parallel lines
No, not always. Skew lines are never coplanar, but parallel lines are.
No, a rhombus always has two pairs of parallel lines
That sounds to us like a very likely "yes" .
They may also be parallel lines.