Across
- 2. a location
- 4. the point at which a line cuts another lin
- 7. space occupied by flat shape
- 8. use picture
- 11. seven sided polygon
- 13. opposite to another operation
- 14. intersection of the three altitudes of a
- 16. line segment from the vertex to the mp
- 18. use a picture
- 19. angles less than 90 degrees
- 20. statement that is regarded as true
Down
- 1. eight sided polygon
- 3. C=2πr
- 5. angles more than 90 degrees
- 6. straight figure extending infinitely
- 9. line segment that divides angle in two
- 10. the Pythagorean _______
- 12. an angle of 90 degrees
- 15. use picture
- 17. use picture