Violas crossword puzzle

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Across
  1. 1. having the same shape and the same size.
  2. 5. is the steepness and direction of a line as read from left to right.
  3. 6. commonly is the comparison of two values of the same kind,
  4. 9. may be written as a to b, a:b or as a fraction a/b.
  5. 10. having the same shape and the same size.
  6. 11. the amount of money borrowed or invested,
  7. 14. also the amount of money paid as a return on an investment.
  8. 15. total area of the surface of a three-dimensional object
  9. 17. an angle immediately next to another angle.
  10. 18. means that two ratios or fractions are of equal value.
  11. 19. An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value.
  12. 20. the intersection of straight lines.
  13. 21. interest is an amount of money a lender charges a borrower for a loan
  14. 23. a ratio between two measurements using different units, for example,
  15. 24. compares an approximation or estimate to an exact value
  16. 26. difference between the final value and the initial value, expressed in the form of a percentage
  17. 28. percentage terms.
  18. 31. the relative change between an old value and its new value,
  19. 32. a reduction in the normal price.
Down
  1. 2. is a ratio between two sets of measurements.
  2. 3. a comparison of two measurements in which
  3. 4. pair of angles directly opposite each other, formed
  4. 7. which interest is calculated.
  5. 8. a triangle in which all three sides are a different length.
  6. 10. When two variables are directly or indirectly proportional to each other
  7. 12. The answer to a problem
  8. 13. two angles whose sum is 180º.
  9. 16. two angles whose sum is 90º.
  10. 20. per year, cost per person, words per minute
  11. 22. subtracting a given percentage of a value from the original value.
  12. 25. in square units
  13. 27. as a percentage of the old value
  14. 28. interest is a fee paid for borrowing money or other assets.
  15. 29. of the terms has a value of 1.
  16. 30. the difference between a product's selling price and cost as a percentage of the cost