Maths

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Across
  1. 1. mine is the freak
  2. 5. every solution of an equation is a on the line representing it
  3. 9. triangles which have their corresponding angles equal
  4. 10. parts of a square
  5. 13. is an operation
  6. 15. the number of medians
  7. 16. is not an answer
  8. 17. of a circle
  9. 18. of an event
  10. 19. to each other
Down
  1. 2. bounded by four sides
  2. 3. of a triangle
  3. 4. quadrilateral a quadrilateral whose vertices lie on the circumference of a circle
  4. 6. pair is coordinate geometry
  5. 7. for a equation
  6. 8. in a triangle the sum of two sides must be than the third side
  7. 11. are irrational
  8. 12. of a circle
  9. 14. numbers are real
  10. 20. stands on a line