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perpendicular or parallel

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  • perpendicular or parallel ?
    perpendicular
  • perpendicular or parallel ?
    parallel
  • perpendicular or parallel ?
    parallel
  • perpendicular or parallel ?
    perpendicular
  • perpendicular or parallel ?
    perpendicular
  • perpendicular or parallel ?
    Neither
  • perpendicular or parallel ?
    Neither
  • perpendicular or parallel ?
    perpendicular
  • perpendicular or parallel ?
    parallel
  • perpendicular or parallel ?
    Neither
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