TRI and UN

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Across
  1. 3. not enjoyable
  2. 4. a group of 3 people or things
  3. 6. a race with 3 sports, usually swimming, biking, and running
  4. 7. to have 3 copies of a form
  5. 9. 3 legged object
  6. 12. not particularly interesting or surprising.
  7. 13. without a job
  8. 16. a 3 month period of time
  9. 17. can speak 3 languages
Down
  1. 1. That will stay forever in memory
  2. 2. not seen
  3. 3. not clean or healthy
  4. 4. a group of 3 kids born at the same time
  5. 5. unrestrained or uninhibited
  6. 8. geometric shape with 3 sides
  7. 10. Not wanted
  8. 11. The branch of mathematics which primarily studies triangles is trigonometry, or the measurement of figures containing “three” angles.
  9. 13. not lucky
  10. 14. not easy to tell what will happen
  11. 15. a bet in which the person betting forecasts the first three finishers in a race in the correct order.