ENCYCLOPEDIA  OF  QUADRI-FIGURES

 

(EQF)

  

This  encyclopedia  is  dedicated  to  Quadri-figures.

A Quadri-figure is a figure consisting of 4 points and/or 4 lines.

 
 
                         E Q F - D E F I N I T I O N S
  

 P R O P E R T I E S

QA-Quadrangle-00 2

 A quadrangle is a geometrical figure consisting of 4 points.
There is no order in these points.
Abbreviation: QA
  A Quadrangle produces:
  • 6 connecting lines
  • 4 component triangles
  • 3 component quadrigons
  • 1 diagonal triangle

QL-Quadrilateral-00 2

A quadrilateral is a geometrical figure consisting of 4 lines.
There is no order in these lines.
Abbreviation: QL
 A Quadrilateral produces:
  • 6 intersection points
  • 4 component triangles
  • 3 component quadrigons
  • 1 diagonal triangle

QG-Quadrigon-00 2

 A quadrigon is a geometrical figure consisting of
 4 consecutive points and 4 consecutive connecting lines.
 There is a cyclic order in these points & lines.
Abbreviation: QG
A Quadrigon produces:
  • 2 pairs of opposite lines
  • 2 pairs of opposite points
  • 2 diagonals
  • 1 third diagonal
  • 1 diagonal crosspoint
 

       The results of EQF also can be downloaded as a PDF-file.       

 
 
 
Have a look at the Quadri-figures-group

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