Across
- 2. Angles that add to 180 degrees
- 3. Distance from the center to a point on the circle
- 6. Angles that add to 90 degrees
- 8. Angles that share a common endpoint and vertex
- 10. Triangle with one right angle
- 12. Triangle with no sides congruent
- 17. Distance across a circle through the center
- 18. Triangle with all sides congruent
- 19. Five sided shape
- 20. Formed when two rays share a common endpoint
Down
- 1. The distance around a circle
- 4. Two dimensional space inside of a shape
- 5. Angles that are opposite and congruent
- 7. Triangle with one angle greater than 90 degrees
- 9. Triangle with two sides congruent
- 11. Seven sided shape
- 13. Triangle with all angles less than 90 degrees
- 14. Eight sided shape
- 15. Three sided shape
- 16. Six sided shape