Lines and planes: intersecting, perpendicular, parallel

A:

  • Point and line in a plane
  • Mutual position of lines in plane
  • Mutual position of line and circle
  • Mutual position of two circles

B:

  • Mutual position of lines in space
  • Mutual position of line and plane
  • Mutual position of two (three) lines
  • Cross-sections of cube and pyramid
  • Intersections of line with cube and pyramid surfaces

C:

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