GEOMETRY SYMBOLS

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Across
  1. 2. plus sign
  2. 5. 3√a
  3. 6. √a
  4. 7. minus sign
  5. 9. =
  6. 10. []
  7. 11. ab and a^b
  8. 15. x
  9. 16. ‰
  10. 17. /
  11. 18. approximately equal
Down
  1. 1. ≥ and ≤
  2. 3. > and <
  3. 4. mod
  4. 8. ppt
  5. 12. %
  6. 13. *
  7. 14. ÷
  8. 16. .
  9. 19. ()