Math Madness

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Across
  1. 5. where the 3 medians meet
  2. 7. has six sides
  3. 8. 2 sides are congruent
  4. 11. partitions a segment in a 1:1 ratio
  5. 13. point where 2 rays meet
  6. 14. contains 45/45/90 triangles
  7. 16. always measured in square units
  8. 19. in the same plane and never touch
  9. 20. 2 dimensional figure
  10. 22. the "perimeter" of a circle
  11. 23. the distance between 2 points
Down
  1. 1. has 12 sides
  2. 2. direction of the x axis
  3. 3. direction of the y axis
  4. 4. logically -p and -q
  5. 5. has endpoints on the circumference
  6. 6. type of reasoning used in two column proofs
  7. 9. location on a coordinate plane
  8. 10. regular quadrilateral
  9. 12. all sides and angles are congruent
  10. 15. set of points equally distant from a point
  11. 17. rate of change
  12. 18. arcs and angles are measured in these units
  13. 21. fraction of the circumference