Geometry Chapter One Vocabulary

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Across
  1. 4. two angles whose measures have a sum of 90 degrees
  2. 6. a flat surface made up of points that has two dimensions and extends without end
  3. 7. two adjacent angles whose noncommon sides are opposite rays
  4. 9. a rule that is accepted without proof
  5. 13. a ray that divides an angle into two angles that are congruent
  6. 15. the set of points two or more geometric figures have in common
  7. 18. the point that divides the segments into two congruent segments
  8. 19. two angles whose measures have a sum of 180 degrees
  9. 22. two angles whose sides form two pairs of opposite rays
  10. 23. contains all of the points inside of an angle
Down
  1. 1. a set of points consisting of two different rays that have the same endpoint
  2. 2. line segments or angles that have the same length or measure
  3. 3. a real number that corresponds to a point on a line
  4. 5. points that lie on the same plane
  5. 8. two angles that share a common vertex/side
  6. 10. terms that can be described using known words, such as point or line
  7. 11. an angles that has a measure greater than 90 degrees
  8. 12. it is represented by a line with two arrowheads and extends without end
  9. 14. an angle that has a measure of 90 degrees
  10. 16. Points that lie on the same line
  11. 17. an angle that measures less than 90 degrees
  12. 20. part of a line that consists of two endpoints
  13. 21. contains all of the points outside of an angle
  14. 24. a part of a line that consists of one endpoint and all of the points on the line on one side of the endpoint