Geometry 1-3 Segments, Rays, Parallel Lines and Planes.

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Presentation transcript:

Geometry 1-3 Segments, Rays, Parallel Lines and Planes

Vocabulary Line Segment – Consists of two points called endpoints. Symbol = line without arrows over letters.

Vocabulary Ray – Begins at a point and extends infinitely in one direction. Symbol = letters with line with one arrow head above

Vocabulary Opposite Rays – Two collinear rays with the same endpoint.

Vocabulary You try to write a definition, with this format.

Vocabulary You try to write a definition, with this format. Do any of these figures fit your definition?

Vocabulary

Define Skew lines Skew lines are lines that are not in the same plane that do not intersect.

Vocabulary Define Parallel Planes Parallel Planes are planes that do not intersect.

Examples

Homework Pages 20 – , 44-47, 55