Geometry Symbols

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Across
  1. 2. arc from point A to point B
  2. 6. triangle shape
  3. 7. 360°= 2ㅠ rad
  4. 8. ‘
  5. 9. 1 turn=360•
  6. 10. ~
  7. 13. line that starts from point A
  8. 14. infinite line
  9. 15. =90•
Down
  1. 1. ||
  2. 3. arcsecond,1’=60”
  3. 4. |x-y|=5
  4. 5. perpendicular lines (90•angle)
  5. 11. formed by two rays
  6. 12. radians angle unit