Segments rays parallell lines and planes
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Segments, Rays, Parallell Lines and Planes. 1-3. Definitions. Segment- a segment is a part of a line which contains two endpoints and all of the points between. Ray- A ray is a part of a line consisting of only one endpoint, and extending infinitely in the opposite direction.

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Segments, Rays, Parallell Lines and Planes

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Segments rays parallell lines and planes

Segments, Rays, Parallell Lines and Planes

1-3


Definitions

Definitions

  • Segment- a segment is a part of a line which contains two endpoints and all of the points between.

  • Ray- A ray is a part of a line consisting of only one endpoint, and extending infinitely in the opposite direction.


Definitions1

Definitions

  • Opposite rays- Two collinear rays with the same endpoint. Opposite rays always form a line.

  • Parallel lines- two coplanar lines that do not intersect.


Definitions2

Definitions

  • Skew lines- non coplanar lines which do not intersect.

  • Parallel planes- planes that never intersect


Segments rays parallell lines and planes

  • Find a pair of parallel lines

  • Skew Lines:

  • Parallel planes:

  • Where does plane ABD and plane EHD intersect?


Segments rays parallell lines and planes

  • Find three segments:

  • Find three rays:

  • Name the line in three ways:

  • Name a pair of opposite rays:


Homework

Homework

  • Pg 19 #5-7, 14-31, 55


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