Across
- 2. roman numeral of ten
- 5. the total distance around outside a polygon
- 6. the formal laws of reasoning
- 7. the process of breaking down numbers
- 9. the study of lines
- 12. a number being divided into equal parts
- 13. two half that match perfectly
- 18. a polygon with eight sides
- 19. a written symbol denoting a number value
- 21. the same as the average
Down
- 1. a number that divides by another number exactly
- 3. not infinite
- 4. the area between an arc
- 8. the top number in a fraction
- 10. parallelogram with four sides of equal length
- 11. numbers from 1-9
- 12. unit of an angle represented by a circle
- 14. the middle value
- 15. a ratio with the denominator of 100
- 16. shapes of the same size and shape
- 17. the mean or average
- 20. list of numbers that occur frequently