geometry

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Across
  1. 6. x:y
  2. 8. mid of a triangle
  3. 9. 2 dimensional coordinate
  4. 10. middle of 2 points
  5. 11. four parts of a graph
  6. 12. equal distance
  7. 13. y axis
Down
  1. 1. property in math
  2. 2. formula
  3. 3. (0,0)
  4. 4. required for plotting
  5. 5. x axis
  6. 7. middle number
  7. 9. lie on the same line
  8. 13. a line