They are coplanar. ANY 2 lines would be coplanar, however a third line can be outside of the plane. just like 3 points will designate a plane and a triangle
Chat with our AI personalities
Points that lie on the same plane are coplanar. Generally, three points have to be coplanar, but more than that can be in any plane.
Lines are parallel if they lie in the same plane, and are the same distance apart over their entire length. Parallel lines remain the same distance apart over their entire length. No matter how far you extend them, they will never meet.
coplanar points
non-coplanar
Intersecting lines.