cross work

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Across
  1. 2. polygon with six sides
  2. 4. result of an experiment
  3. 5. tool used to draw circles and parts of circles
  4. 8. polygon with nine sides
  5. 12. reversing the hypothesis and conclusion of a conditional
  6. 15. is a shape with six faces
  7. 18. set of points that cross each other
  8. 19. the area around a circle
  9. 20. group of outcomes in a situation involving probability
Down
  1. 1. polygon with five sides
  2. 3. two dimensional pattern that can fold to form a three dimensional figure
  3. 6. polygon with eight sides
  4. 7. distance from the center to a side
  5. 9. if-then statement
  6. 10. has the opposite meaning of the original statement
  7. 11. equation that is true for the values of a variable
  8. 13. rule that shows the relationship between two or more quantities
  9. 14. formed by two rays with the same endpoint
  10. 16. polygon with ten sides
  11. 17. number of square units enclosed by the figure