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Fundamental Lines

There are 15 lines that can be drawn between pairs of the Primary Points. Each line is a secant of the conic. The lines are named according to the two Primary Points on them. The order of the letters is not important, for example, line AB is the same as line BA. These lines are called Fundamental Lines.Through each Primary Point there are five Fundamental Lines. The lines are:

  1. AB
  2. AC
  3. AD
  4. AE
  5. AF
  6. BC
  7. BD
  8. BE
  9. BF
  10. CD
  11. CE
  12. CF
  13. DE
  14. DF
  15. EF                             

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Fundamental Lines

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