Across
- 2. three medians intersect at one point
- 3. sides are equal
- 6. Lines: lines that are the same distance apart and never intersect
- 8. perpendicular bisectors of the sides intersect at a point
- 14. Pair: two angles next to each other equals 180 degrees
- 15. 3 sides
- 16. 7 sides
- 19. angle bisectors intersect at a point
- 20. 10 sides
Down
- 1. 12 sides
- 4. altitudes
- 5. Angles Sum: S=(n-2)×180
- 7. 4 sides
- 9. all vertices point toward the center
- 10. Angles: angles sum up to 90 degrees
- 11. all vertices point away from the center
- 12. a closed shape with straight sides
- 13. 8 sides
- 17. Angles Sum: sum is always 360 degrees
- 18. Polygon: all sides and angles are the same