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1.3 Segments, Rays, Parallel Lines and Planes

1.3 Segments, Rays, Parallel Lines and Planes. Vocabulary. Segment Ray Opposite Rays Parallel Lines Skew Lines. Segment. Part of a line with two endpoints. Named by its endpoints. Ray. Part of a line with one endpoint. Named by its endpoint and another point on the ray. Opposite Rays.

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1.3 Segments, Rays, Parallel Lines and Planes

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  1. 1.3Segments, Rays, Parallel Lines and Planes

  2. Vocabulary • Segment • Ray • Opposite Rays • Parallel Lines • Skew Lines

  3. Segment Part of a line with two endpoints. Named by its endpoints.

  4. Ray Part of a line with one endpoint. Named by its endpoint and another point on the ray.

  5. Opposite Rays Two collinear rays with one endpoint. (A line)

  6. Parallel Lines Coplanar lines that do not intersect.

  7. Skew Lines Lines that are not: Coplanar, Parallel and do not intersect.

  8. Name the front of the figure. • Name the top of the figure. • Name two skew line segments. • Name four coplanar points. • Name four non coplanar points. *Assume lines and planes that look parallel are parallel *Assume lines and planes that look parallel are parallel

  9. Plane ABG in parallel to what plane? • Are points A, B and F collinear? Coplanar? • Are points D, E and A Coplanar? • Are points K, C, G and E Coplanar? • Name the intersection of plane JBK and JHD. *Assume lines and planes that look parallel are parallel

  10. Homework 1.3 Pg 19-22 (1-4 all, 6-34 even, 38-46 even, 71-84 all)

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