Math Crossword puzzle

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Across
  1. 3. This is a line that cuts through two other lines, angles and lengths can be gained from this
  2. 4. The average of a data set
  3. 6. The amount of flat space inside a polygon
  4. 11. Adjacent side over hypotenuse
  5. 12. Finding out how many of a certain number can go into another number
  6. 13. Opposite side over hypotenuse
  7. 20. When a graph is going up on the y axis
  8. 22. When a graph is going down on the y axis
  9. 23. The longest side of a triangle, connecting the short and long sides
  10. 24. The point on a quadratic graph in which the line is neither increasing or decreasing
  11. 26. A study of math dealing with the sides and angles of triangles
  12. 27. An unknown number, usually expressed as X
  13. 29. A triangle which is congruent because it is proportional to another triangle
  14. 30. A way of explaining how two triangles are congruent
  15. 32. The middle of a parabola is the axis of ____
  16. 34. The form of quadratic equation using Ax^2 + Bx + c
  17. 36. These lines make 90-degree angles
  18. 38. A property that states that shared sides are equal
  19. 39. Raising a number to a certain power
Down
  1. 1. Adding a number a certain amount of times
  2. 2. Found when the probability of something is multiplied by 100
  3. 5. A way of solving a quadratic equation
  4. 7. Finding the sum of two numbers
  5. 8. Finding the difference between two numbers
  6. 9. The lowest a parabola's vertex gets (if concave up)
  7. 10. Instances where a quadratic function passes through the x axis, two, one or no _____
  8. 14. A function that never touches a certain axis, but is constantly increasing or decreasing
  9. 15. The amount of space inside a 3d figure
  10. 16. The highest a parabola's vertex gets (if concave down)
  11. 17. The 3rd dimension responsible for volume, length times width times _____
  12. 18. A an expression used to get a certain result (not an algorithm)
  13. 19. Opposite side over adjacent side
  14. 21. Read outcomes divided by possible outcomes
  15. 25. The middle number of a data set
  16. 28. Another word for quadratic solutions, tress have ____
  17. 30. The length around a polygon
  18. 31. A graphical expression that is primarily formatted using Ax^2 + Bx + c
  19. 33. The number that appears most in a data set
  20. 35. A triangle that has equal sides and angles
  21. 37. These lines make corresponding angles congruent