Maths

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Across
  1. 4. A part of line; it begins at one endpoint and extends forever in one direction
  2. 6. Having the same size and shape
  3. 9. A number that is made up of a whole number and a fraction
  4. 11. A unit for measuring angles or temperature
  5. 12. An algebraic or numerical sentence that shows that two quantities are equal
  6. 17. A closed figure with all points on the figure the same distance from the center point
  7. 18. A bar graph that shows the number of times data occur within intervals.
  8. 19. - Lines in a plane that do not intersect
  9. 20. A figure formed by two rays that meet at a common endpoint
Down
  1. 1. a closed plane figure formed by three or more line segments
  2. 2. A value that, when substituted for the variable, makes an equation true
  3. 3. A whole number that has exactly two factors
  4. 5. The middle number in a set of data that are arranged in order
  5. 7. Any integer greater than zero
  6. 8. A product of a number and itself
  7. 10. A number used as a repeated factor
  8. 13. A letter or symbol that stands for one or more numbers
  9. 14. An exact location in space, usually represented by a dot
  10. 15. To find a number that is close to an exact amount.
  11. 16. Capable of being divided without a remainder