Across
- 2. ratio of a circle's circumference to its diameter
- 4. result of dividing one number by another
- 7. 1000 meters
- 8. triangle with all sides of equal length
- 11. distance around a circle
- 12. triangle with no sides of equal length
- 15. equilateral parallelogram
- 16. any number of the set{...-2,-1,0,1,2...}
- 18. any nonzero real number, inverted
- 19. distance between two designated points
- 20. geometric solid with six square faces
Down
- 1. result of subtracting one number from another
- 3. 10 millimeters
- 5. polygon with six sides
- 6. lines intersecting at a right angle
- 9. number of square units in a closed figure
- 10. unit of measure for angles
- 13. triangle with at least two sides of equal length
- 14. average
- 17. result of multiplying one number by another