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Lesson 1.1 Geometry Terms

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  • What is this?
    segment
  • Describe the symbols with words. (tell what each part means)
    Line ST is perpendicular to Segment RQ
  • What is this?
    perpendicular lines
  • What is one way you can name this whole segment?
    WZ or ZW
  • What is this?
    collinear
  • Name 2 non-coplanar points.
    Answers vary
  • What is this?
    bisector
  • Name the two rays that form the angle.
    GF, GH
  • What is this?
    perpendicular lines
  • What is this?
    ray
  • What is one way you can name this line?
    JK, KJ, or line p
  • What is one way you can name this plane?
    Plane Z or Plane ABC (or other combination of points)
  • What is this?
    angle
  • What are two ways you can name this angle?
    <E, <3, <DEC, <CED
  • What is this?
    ray
  • What is this?
    line
  • When naming an angle, the ________ must be the middle letter.
    vertex
  • What is this?
    midpoint
  • What is one way you can name this ray?
    MO or MN
  • What is this?
    coplanar
  • What is another way to name line r?
    AB, AC, BC, etc.
  • What is this?
    segment
  • When naming a ray, the __________ must be first.
    endpoint
  • What is this?
    parallel lines