GEOMETRY SYMBOLS

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Across
  1. 4. ∟
  2. 6. formed by two rays
  3. 7. 1turn = 360°
  4. 8. 1turn = 360degree
  5. 9. line that start from point A
  6. 10. grads angle unit
  7. 13. 1° = 60′
  8. 14. AB
  9. 15. ~
Down
  1. 1. |x-y|
  2. 2. ∥
  3. 3. ″
  4. 5. a line from point A to point B
  5. 11. Δ
  6. 12. π