Mackenzie's Cross word Puzzle

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Across
  1. 2. the concept used in geometry when the sides of a figure are equal to each other
  2. 5. total area of the surface of a three-dimensional object measured in square units
  3. 6. occurs when things are not equal
  4. 7. the number of times an event occurs out of the total number of trials
  5. 10. the amount of money borrowed or invested, on which interest is calculated
  6. 14. angles whose sum is 180º
  7. 16. the answer to a problem
  8. 18. how much a retailer increases the price over what they paid for it
  9. 20. comparison of two measurements where one of the terms has a value of 1
  10. 21. a ratio between two measurements using different units
  11. 22. the steepness and direction of a line as read from left to right
  12. 23. The constant value (often written k) relating amounts that rise or fall uniformly together
  13. 26. the comparison of two values of the shape
  14. 27. A drawing that shows a real object with accurate sizes reduced or enlarged by a certain amount
  15. 29. chance or likelihood of an event happening
  16. 30. the difference between the final value and the initial value
Down
  1. 1. a rule used to count the total number of possible outcomes in a situation
  2. 3. a ratio between two sets of measurements
  3. 4. the percent change in a value compared to its initial value
  4. 8. two ratios or fractions are of equal value
  5. 9. a reduction in the normal price
  6. 11. lines that intersect at a single point
  7. 12. two angles whose sum is 90º
  8. 13. a number between 0 and 1 that indicates
  9. 15. an amount of money a lender charges a borrower for a loan
  10. 17. indicates the extent to which something gains or loses value over time
  11. 19. compares an approximation or estimate to an exact value
  12. 24. an angle immediately next to another angle
  13. 25. a fee paid for borrowing money or other assets.
  14. 28. percentage terms