Across
- 3. The tenth month
- 5. singing as one
- 9. 3 related things
- 10. A group with 3 people
- 12. action of joining together
- 13. 3 people
- 15. joined together for a reason
- 16. 3 wheeled bike
- 18. one of a kind
- 20. eight sided shape
- 21. matter and space as a whole
Down
- 1. a shape with 5 sides
- 2. speaks 2 languages
- 4. occurs every fortnight
- 5. one wheeled bike
- 6. 4 sided polygon
- 7. 3 children born together
- 8. divide into 2 parts
- 10. 3 sided shape
- 11. a vehicle with 2 wheels powered by pedalling
- 12. creature with a horn on their head
- 14. eight legged sea animal
- 17. 3 legged stand
- 19. the clothing worn by a group of people