unit 14/15 vocab

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Across
  1. 3. an officer in ancient Roman army
  2. 4. based on the number 10
  3. 6. group of eight, such as musical notes
  4. 8. a period of 100 years
  5. 9. a sea animal, has soft body and eight long arms
  6. 12. ninth month of the year formerly the seventh
  7. 13. a sixth of a circle
  8. 14. has six angles and six sides
  9. 16. eleventh month of the year formerly the ninth
  10. 19. tenth month of the year formerly the eighth
  11. 20. group of seven singers who perform
Down
  1. 1. person who is between 70 and 79 years old
  2. 2. a length equal to 1/100 meter
  3. 5. a period of 10 years
  4. 7. one tenth of a meter; ten centimeters
  5. 10. lasting for seven years
  6. 11. one part in a hundred
  7. 15. the boiling point of water is at 100
  8. 17. flat shape that has eight sides and eight angles
  9. 18. a nine sided polygon