Math Crossword

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Across
  1. 3. Anything raised to the power of zero is ______. (3)
  2. 7. What is the third digit of pi? (4)
  3. 11. Angles which add up to 180 degrees are _________ angles. (13)
  4. 13. One thousand raised to the power of two is ________. (7)
  5. 14. Two lines which never meet are ________. (8)
  6. 16. 4/3 is an example of an ________ fraction. (8)
  7. 18. A triangle in which one of the interior angles is greater than 90 degrees. (6)
  8. 19. 3/4 is three ________. (8)
  9. 21. The measurement of a plane angle. (6)
  10. 22. A regular triangle is an ________ triangle. (11)
  11. 24. The product of speed and time. (8)
  12. 26. A number divisible by two is _____. (4)
  13. 27. Half of a diameter. (6)
  14. 28. A triangle with different measures for all three lengths and angles. (7)
  15. 29. 1.60934 kilometers is 1 ______. (4)
  16. 30. The only even prime number. (3)
  17. 31. An angle which is >0 but <90. (5)
Down
  1. 1. Density is the _______ of mass and volume. (8)
  2. 2. Two of its three sides are the same length. (9)
  3. 4. a² + b² = c². (10)
  4. 5. A polygon measuring 4 sides. (13)
  5. 6. The side opposite the right angle in a right angled triangle. (10)
  6. 8. a x b = 0 is the _____ factor law. (4)
  7. 9. The _______ of rolling a 5 on a fair dice is 1/6. (11)
  8. 10. Getting a numerical value for an equation. (5)
  9. 12. Angles which are vertically opposite are _______. (9)
  10. 15. When dividing indices with the same base you ______ the powers. (8)
  11. 16. 12 and -7 but not 4.3 (4)
  12. 17. A square is me, but I am not always a square. What am I? (9)
  13. 20. In a given order, what is the second type of factorization? (8)
  14. 23. A line which cuts across two other lines. (11)
  15. 25. Raising to a power. (8)
  16. 27. A quantitative comparison between two numbers. (5)
  17. 28. 7 is the _____ of 3 and 4. (3)