defintions

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Across
  1. 2. round body whose surface is is at all points equidistant from the center
  2. 4. a point of intersection
  3. 6. always a positive number
  4. 7. a flat surface
  5. 8. bottom number of a fraction
  6. 14. having two sides equal in length
  7. 15. slightly flattened circle
  8. 19. involves derivatives and integrals
  9. 21. one of the lines bounding a geometric figure
  10. 23. abbreviated by tan
  11. 24. used for making mathematical calculations
  12. 25. repeated addition of the same number
  13. 27. real number on the base ten standard numbering system
  14. 29. marked at regular intervals
Down
  1. 1. vertical and horizontal lines
  2. 3. number that gives reference to the repeated multiplication required
  3. 5. ordered pairs that state location
  4. 6. substitutes letters for numbers
  5. 9. used in counting or noting a total
  6. 10. systematic treatment of relationships between figures and forms
  7. 11. used for measuring angles
  8. 12. the average
  9. 13. the longest side of a right angled triangle
  10. 16. divides into another number exactly
  11. 17. specifies location
  12. 18. the answer to the problem itself
  13. 20. all three sides equal
  14. 22. used mostly for multiplication and division
  15. 26. three sided polygon
  16. 28. a straight infinite path