it means that two lines meet and form a right angle.
Two parallel lines.
When two lines are parallel, then they do not intersect.
yes, two lines can be coplanar.
If they are set next to each other and never cross.Edit by Gamerkid26:_________________ Those two lines are parallel.// Those two lines are also parallel.So are those two.\\ And those two./\ These lines are NOT parallel.======================
Two lines cross or intersect at a point.
Two lines that do not intersect on the same plane are Parallel lines.
Two lines intersect at a point
An ellipse has two lines of symmetry.
The two lines have the same gradient.
a cirsquare
Perpendicular and parallel lines are two examples.
Not if they are straight lines.