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Geometry Review

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  • How do I find rotational symmetry of a regular polygon?
    360/#of sides
  • True or False: Corresponding angles are NOT congruent.
    False
  • Complementary angles add up to how many degrees?
    90
  • Which transformation is NOT a rigid motion?
    Dilation
  • True or false: Alternate interior angles are congruent.
    True
  • A line or segment the cuts an angle into two congruent parts is called:
    Angle bisector
  • What is the rule for reflecting over the x-axis?
    (x, -y)
  • True or False: Vertical Angles are equal to 180 degrees
    False!
  • Name angle 1 using 3 letters:
    <ABC or <CBA
  • Supplementary Angles add up to how many degrees?
    180
  • What does this symbol "||" mean?
    Parallel
  • Define a Rigid Motion
    A transformation that does not change size, shape or angle measure!
  • What is the rule for Rotation 180 degrees?
    (-x, -y)
  • Round 21.0492 to the nearest hundredth
    21.05
  • An Angle less than 90 degrees is called:
    Acute
  • Perpendicular lines make what kind of angles?
    Right angles
  • What is the rule for reflecting over the y-axis?
    (-x, y)