Across
- 2. a 3-sided shape
- 3. the distance around a circle
- 6. a 90 degree angle
- 9. a shape with 4 right angles and 4 equal sides
- 11. an angle more than 180 degrees
- 12. a 9-sided shape
Down
- 1. a 4-sided shape
- 4. an angle less than 90 degrees
- 5. any closed shape
- 7. a 8-sided shape
- 8. an angle greater than 90 degrees
- 10. a 10-sided shape