They can be, but not necessarily. If two lines in the same plane never intersect, they are parallel. Though, two lines can exist in the same plane without being parallel. Ie, two lines that intersect at a 90 degree angle are perpendicular. Most lines in a plane aren't parallel.
parallel lines If they are not on the same plane and never intersect they are skew
parallel lines :)
No, skew lines cannot be in the same plane, since they do not have a point on common. Two lines intersect if they lie in a common plane, and by definition, these intersecting lines are not skew lines.
Coplanar lines.
Two lines that do not intersect on the same plane are Parallel lines.
Two coplanar (in the same plane) lines that don't meet are parallel.
They can be, but not necessarily. If two lines in the same plane never intersect, they are parallel. Though, two lines can exist in the same plane without being parallel. Ie, two lines that intersect at a 90 degree angle are perpendicular. Most lines in a plane aren't parallel.
If the two lines lie in the same plane, and they do not intersect, then they are parallel. If they are not in the same plane, and do not intersect, then they are called skew lines.
parallel lines If they are not on the same plane and never intersect they are skew
Two parallel lines. Such lines have the same slope.
Two lines can lie in one plane. For example, parallel lines are lines that intersect and lie in the same plane.
parallel lines :)
coplanar (which means that they lie on the same plane)
No, skew lines cannot be in the same plane, since they do not have a point on common. Two lines intersect if they lie in a common plane, and by definition, these intersecting lines are not skew lines.
Skew lines.
They are parallel lines