Line In

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  1. Line In Poetry
  2. Pc Audio Line In

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In geometry a line:

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

A line has no ends !

Play With It

Change the position of points A and B. Note that the line AB extends forever in both directions:

Line Segment

When it does have ends it is called a 'Line Segment'.


Line In

When it has just one end it is called a 'Ray'

This is Cool

Now play with this one ... point 'C' is made to always be an equal distance from point 'A' and 'B'. The result is a line (all the possible position of point 'C' make a line):

Line InJack

Line In Poetry

Point, Line, Plane and Solid

Pc Audio Line In

A Point has no dimensions, only position
A Line is one-dimensional
A Plane is two dimensional (2D)
A Solid is three-dimensional (3D)