Collinear lines lie on the same straight line passing through the same points and they are coplanular lines when meeting on the same plane.
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Two lines are collinear if and only if they are the same line. So they always meet, along their whole lengths.
When two lines meet to form an angle the lines are intersecting.
"Collinear" means "on the same straight line".Two points are always collinear, because you can always draw a straight linebetween any two points. Three points may or may not be collinear.
its called the intersept point when they don't meet its called a parallel line
Two intersecting lines can always cover three non-collinear points.
an intersection