Crossword Puzzle 2 Geometry Symbols

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Across
  1. 1. ∥
  2. 7. radians angle unit
  3. 9. ~
  4. 11. ≅
  5. 13. grads angle unit
  6. 15. formed by two rays
Down
  1. 2. line from point A to point B
  2. 3. angle = 90°
  3. 4. arcminute, 1° = 60′
  4. 5. π = 3.141592654...
  5. 6. °
  6. 8. Δ
  7. 10. line that start from point A
  8. 12. distance between points x and y
  9. 14. arc from point A to point B