words there way

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Across
  1. 3. he exclusive possession or control of the supply of or trade in a commodity or service
  2. 5. an athletic contest consisting of three different events, typically swimming, cycling, and long-distance running.
  3. 7. taking place every other year
  4. 8. one of three children or animals born at the same birth
  5. 9. a one-legged support for a camera or fishing rod.
  6. 11. a group of three related novels, plays, films, operas, or albums
  7. 12. a 300th anniversary or its celebration.
  8. 13. relating to, composed of, or involving two things
  9. 15. divide into two parts
  10. 16. a three-legged stand for supporting a camera or other apparatus.
  11. 17. a railroad in which the track consists of a single rail, typically elevated, with the trains suspended from it or balancing on it
Down
  1. 1. sameness of tone or pitch
  2. 2. a branch of mathematics that studies relationships between the sides and angles of triangles
  3. 3. a continuing sound, especially of a person's voice, that is unchanging in pitch and without
  4. 4. recurring every three years.
  5. 6. a flag with three bands or blocks of different colors, especially the French national flag with equal upright bands of blue, white, and red
  6. 7. relating to, composed of, or involving two things.
  7. 10. occurring every two weeks
  8. 13. having two branches or chambers.
  9. 14. any of several muscles having two points of attachment at one end