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Line

line

In geometry a line:

  • is straight (no curves),
  • has no thickness, and
  • extends in both directions without end (infinitely).

A line has no ends!

Line Segment


line segment
If it does have ends it would be called a "Line Segment".

 

Ray

ray
If it has just one end it is called a "Ray"

 

Line, Plane and Solid

  • A line is one-dimensional
  • A plane is two dimensional
  • A solid is three-dimensional
dimensions
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