Geometry Symbols

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Across
  1. 1. '
  2. 6. AB
  3. 7. ~
  4. 9. π
  5. 10. ||
  6. 11. ∆
  7. 13. deg
  8. 14. =90*
Down
  1. 2. c
  2. 3. "
  3. 4. |x-y|
  4. 5. from point A to point B
  5. 8. from point A to point B
  6. 12. <
  7. 15. g