Geometry Symbols

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Across
  1. 4. π = 3.141592654...
  2. 6. Line from point A to point B
  3. 7. Same shape, not same size
  4. 9. Line that start from point A
  5. 11. Δ
  6. 12. Perpendicular lines (90° angel)
  7. 14. 1 turn = 360deg
  8. 15. ↔
Down
  1. 1. |X-Y|
  2. 2. Infinite line
  3. 3. Arcsecond, 1' = 60°
  4. 5. =90°
  5. 8. Formed by two rays
  6. 10. Arc from point A to point B
  7. 13. Arcminute, 1° = 60′