GEOMETRY SYMBOLS

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