Algebra Figure-Outter Puzzle

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Across
  1. 2. the inside region of a two-dimensional figure measured in square units
  2. 3. the amount of space occupied in three dimensions and expressed in cubic units
  3. 5. the data point found most often in a set of numbers
  4. 9. a transformation of a figure by turning it about a center point or axis
  5. 10. the middle point of a set of ordered numbers where half are below it and half are above
  6. 11. Lines two lines in the same plane that never meet and have an equal slope
  7. 12. Table a table which shows how many times a value occurs in a given interval
  8. 14. Number a real number that can not be expressed as a ratio of two numbers
  9. 15. an increase in size in all directions by a uniform amount
  10. 16. any symbol that could represent a number
  11. 18. the point at which two lines meet
  12. 19. a bar graph in which numerical data values are organized into equal intervals
Down
  1. 1. the number of times the base occurs as a factor
  2. 2. Angle an angle with a measure of less than 90 degrees
  3. 4. angle an angle with a measure of more than 90 degrees but less than 180 degrees
  4. 5. the average of a set of ordered numbers where half of the numbers are above the median and half are below it
  5. 6. any of the four regions formed by the axes in a rectangular coordinate system
  6. 7. figures or objects that are the same shape and the same size
  7. 8. a line segment from any point on the circle passing through the center to another point on the circle
  8. 11. Theorem the square of the hypotenuse (c) of a right triangle is equal to the sum of the square of the legs (a and b), as shown in the equation c^2=a^2+b^2
  9. 13. Angles two angles, the sum of which is exactly 90 degrees
  10. 17. Angle an angle whose measure is exactly 90 degrees