Geometry Unit 1 Vocabulary

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Across
  1. 4. point two lines or surfaces cross
  2. 6. on the same line
  3. 7. enclosed figure whose points lie equidistant from a defined center point
  4. 8. the exact middle point
  5. 9. having a common vertex and side
  6. 12. rays that extend 180 degrees from each other
  7. 16. to divide into two equal parts
  8. 17. A flat surface on which a straight line joining any two points on it would wholly lie
  9. 18. line that bisects
  10. 19. angle < 90 deg
  11. 20. type of angles who add up to 180 deg
  12. 21. a part of a line that has one end point, but extends indefinitely on one side
  13. 22. Space between two intersecting lines or surfaces at point where meet
  14. 23. part of aline with two endpoints
Down
  1. 1. identical in form but does not have to face same direction
  2. 2. angle >90 deg
  3. 3. collection of points that continue forever in both directions
  4. 5. angle = 90 deg
  5. 10. enclosed boundary of a curved geometric figure
  6. 11. type of angles who add up to 90 deg
  7. 13. boundary of a closed geometric figure
  8. 14. pair of opposite angles made by two intersecting lines
  9. 15. on the same plane