Lines, Line Segments, Rays, Planes
These lessons introduces points, lines, line segments, rays and planes for Grade 6 Math.
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Basic Geometry
2-D and 3-D Shapes
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Definitions
A point is undefined. It is just a dot on the page with no size or shape, just position.
A line is a straight path of points that has no beginning or end.
A line segment is a portion of a line that has two endpoints.
A ray is a portion of a line which has one endpoint and extends forever in one direction.
The following diagram shows examples of lines, line segments and rays.
Scroll down the page for more examples and solutions on lines, line segments and rays.
Points, Lines and Planes
Lines and Line segments
Naming a Line segment
What is a Ray?
Lines, Segments, Rays
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