GEOMETRY SYMBOLS

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Across
  1. 5. perpendicular lines(90degree angle)
  2. 6. radians angle unit
  3. 9. "
  4. 11. same shapes not same size
  5. 13. line that start from point A
  6. 14. segment, line from point A to point B
  7. 15. 1turn=360deg
Down
  1. 1. distance between points x and y
  2. 2. equivalence of geometric shapes and size
  3. 3. arcminute 1deg=60'
  4. 4. triangle shape
  5. 7. arc from point A to point B
  6. 8. formed by two rays
  7. 10. parallel lines
  8. 12. angle, =90degree