Across
- 4. two lenses that help you see from far away
- 8. a closed figure with three sides
- 10. occurring twice a week or every two weeks
- 11. one of four equal parts; a quarter of an area
- 13. a shape with eight sides and eight angles
- 14. a muscle that attaches in two places
- 15. occurring twice a year
Down
- 1. a series of eight notes in a musical scale
- 2. a bike with three wheels
- 3. an athletic contest with three phases
- 5. having four units/members; four times as big
- 6. a sea animal with eight arms
- 7. a three-legged stand
- 9. the ability to speak two languages
- 12. a group or set of three