Study

Geometry - U1 - Vocab and Notation (Geo Tools/Co ...

  •   0%
  •  0     0     0

      Back   Restart
  • What does "intersect" mean?
    "Meet at a point"
  • What's this?
    Point C
  • What is an acute angle?
    An angle with a measure between 0 degrees and 90 degrees.
  • What's the difference between a circle and an arc?
    An arc is only a portion of a circle, or a subset of the points a fixed radius from a given point.
  • What's this notation?
    Line segment starting at point E and ending at point F
  • What's this notation mean?
    Perpendicular (90 degree angle)
  • What is this notation?
    Triangle with vertices D, E, and F.
  • What is an obtuse angle?
    An angle with the measure between 90 degrees and 180 degrees.
  • Vertex
    The common starting point for the rays of an angle
  • What type of geometric figure is this?
    A line
  • Where does this ray begin?
    At point A
  • Perpendicular lines
    Any two lines, segments, or rays that intersect to form strictly 90 degree (right) angles
  • Which point is the vertex of this angle?
    A
  • What is a right angle?
    An angle with the measure of 90 degrees
  • What is a straight angle?
    An angle with the measure of 180 degrees (a straight line).
    • Your experience on this site will be improved by allowing cookies.