GEOMETRY SYMBOLS

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Across
  1. 3.
  2. 4.
  3. 5. Δ
  4. 7. rad
  5. 9.
  6. 12. |x-y|
  7. 14. grad
Down
  1. 1. infinite line
  2. 2.
  3. 4.
  4. 6.
  5. 8. ~
  6. 10. π
  7. 11. °
  8. 13. line that start from point A