Unit 1 Crossword

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Across
  1. 4. the number named by a unit with nine zeros after it, 1,000,000,000
  2. 6. being three-sided; as a trilater conversation; a geometric figure having three sides
  3. 7. being one-sided
  4. 9. a two-footed animal, as is man; (a) being two-footed
  5. 11. to cut or to divide something into two parts
  6. 14. one; single
  7. 15. lasting for, consisting of, or taking place every two hundred years
  8. 16. taking place twice a year
  9. 18. a three-legged; stand or support
  10. 19. a one-wheeled vehicle
  11. 20. of or pertaining to three languages
Down
  1. 1. of or operating in one language using one language
  2. 2. an animal written about in fables and pictured as having a single horn in the middle of its forehead
  3. 3. of or pertaining to two languages; using two languages
  4. 5. a plane geometric figure of three sides and three angles
  5. 8. two; twice
  6. 9. lasting for two years
  7. 10. the number named by a unit with twelve zeros after it, 1000 billions 1,000,000,000,000
  8. 12. three, three time
  9. 13. a two-winged airplane; compare monoplane and triplane
  10. 17. to make one or cause to become one
  11. 19. a one-legged support