Anything that is coplanar.
skew
skew
Coplanar :The vectors are in the same plane.Non coplanar :The vectors are not in the same plane.
name a line that is not contained in plane N.
No, because a tangent is the line lying on the same plane or it means there are not in the same line.
Points that are within the same plane are called co-planer.
Is true
True.
Is true
Yes, since any line can be contained in a plane.
True!
It’s true (apex)