The Tools of Geometry

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Across
  1. 3. Lines on the same plane that do not intersect
  2. 5. Add up to 90 degrees
  3. 9. Angles that share a side
  4. 13. Add up to 180 degrees
  5. 16. A location in space
  6. 17. Exactly 180 degrees
  7. 18. An endpoint and a direction
  8. 19. Lines that do not intersect
  9. 20. Exactly 90 degrees
  10. 21. A portion of a line
  11. 22. Where to rays meet to form an angle
Down
  1. 1. Less than 90 degrees
  2. 2. A flat surface
  3. 4. Pair Share a side and total 180 degrees
  4. 6. On the same plane
  5. 7. The region formed by an acute angle
  6. 8. Halfway across the segment
  7. 10. Endpoint to endpoint
  8. 11. On the same line
  9. 12. Greater than 90 degrees
  10. 14. On a plane running through two points
  11. 15. The region opposite of an acute angle