Prefix Puzzle- Priscila

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Across
  1. 4. Two sports swimming and biking
  2. 5. A group of three
  3. 6. Three sports-swimming-bicycling-distance running
  4. 7. Two wheels
  5. 8. 10 different track and field
  6. 10. A period of time involving 100 years
Down
  1. 1. Five angles and five sides
  2. 2. Three angles and three sides
  3. 3. Four footed
  4. 9. A polygon having eight angles and eight sides