1.3 Segments, Rays, Parallel Lines and Planes - PowerPoint PPT Presentation

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1.3 Segments, Rays, Parallel Lines and Planes

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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. – PowerPoint PPT presentation

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Title: 1.3 Segments, Rays, Parallel Lines and Planes


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
  1. Name the front of the figure.
  2. Name the top of the figure.
  3. Name two skew line segments.
  4. Name four coplanar points.
  5. 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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