Geometry Vocabulary

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Across
  1. 4. are formed by two intersecting lines and are opposite of each other.
  2. 6. bisector is a line segment or ray the divided a segment into two congruent segments.
  3. 8. is a line segment, or ray that is perpendicular to the segment it bisects. The segment's midpoint is where the bisector intersects it.
  4. 11. when one half is a mirror of the other half.
  5. 12. Two lines that lie in the same plane and do not intersect.
  6. 13. share a vertex and a side but no points in their interiors.
  7. 14. is a transformation that moves points the same distance and in the same direction.
Down
  1. 1. is a transformation that flips a figure over a line of reflection
  2. 2. Is a closed plane figure with at least three sides
  3. 3. is a ray that divides an angle into two congruent angles
  4. 5. segment or rays intersect to form right angles.
  5. 7. has all sides congruent and all angles congruent.
  6. 9. is when the sum of the measures of two angles is 180 degrees
  7. 10. is a transformation that turns a figure about a fixed point called the center of rotation