Geometry Symbols

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Across
  1. 2. ″
  2. 4. °
  3. 7. distance between points x and y
  4. 9. same shapes, not same size
  5. 10. ∠
  6. 11. ⊥
  7. 14. = 90°
  8. 15. π = 3.141592654...
Down
  1. 1. ≅
  2. 3. arcminute, 1° = 60′
  3. 5. rad
  4. 6. ∥
  5. 8. line from point A to point B
  6. 12. line that start from point A
  7. 13. infinite line