GEOMETRY SYMBOLS

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