GEOMETRY SYMBOLS

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Across
  1. 2. '
  2. 3. g
  3. 5. AB
  4. 7. prime "
  5. 8. c
  6. 9. <
  7. 10. |x-y|
  8. 12. =90*
  9. 13. ∆
Down
  1. 1. line from point A to point B
  2. 2. ||
  3. 4. deg
  4. 6. π
  5. 9. arc from pointA to pointB
  6. 11. ~