Geometry Crossword puzzle

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Across
  1. 1. Lays on a line
  2. 2. has one end and continues infinitely out the other direction
  3. 3. has three planes
  4. 5. is a round figure that all line segments are equal distance from the center and is 1D
  5. 8. if two rays go _____ direction but same start point they are ______ ray
  6. 10. the thickness of a line can be ______
  7. 14. there is a unique __ between two points
  8. 15. is something that all points lie one and extends forever
  9. 16. use a ____ to measure angels
  10. 18. a _____ line has all _______ negative and positive
  11. 19. two ____ Intersect in a line
  12. 20. if two ___ line in a plane, the line containing those ___ also lies in the plane
  13. 21. a line _____ has two end points
Down
  1. 1. a figure lays on this
  2. 4. what postulate is used to determine two points
  3. 5. all points on the same plane are
  4. 6. two ____ intersect in a point
  5. 7. has one plane
  6. 9. both equations are ______
  7. 11. is two planes
  8. 12. every angle is ____ to 180 degrees
  9. 13. what postulates can you use through any to points exactly one line can be drawn
  10. 16. two lines running side by side
  11. 17. all the points on the same line are
  12. 22. ____ points determine a line