Paul 100 pts crossword puzzle

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Across
  1. 2. a shape with six sides
  2. 4. six chords
  3. 9. an operation in math
  4. 11. a lot of people
  5. 12. many-sided graph
  6. 13. seven meters
  7. 15. ten years
Down
  1. 1. a shape with ten sides
  2. 3. many of the same item
  3. 4. a shape with seven sides
  4. 5. a shape with eight sides
  5. 6. naturally occurring chemicals
  6. 7. a shape with many sides
  7. 8. animal with eight limbs
  8. 10. to make more
  9. 14. to do multiple tasks