Geometry Symbols

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Across
  1. 2. parallel lines
  2. 3. arc from point A to point B
  3. 4. radians angle units
  4. 6. equivalence of geometric shapes and size
  5. 11. =90°
  6. 12. 3 size shape
  7. 14. line from point A to point B
Down
  1. 1. arcsecond, 1′ = 60″
  2. 2. =3.1416
  3. 5. same shapes but not in size
  4. 7. arcminute, 1° = 60′
  5. 8. form by two rays
  6. 9. one turn equals 360°
  7. 10. infinite line
  8. 13. line start from point A