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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/unesp/360774
Title: 
Ptolemy's theorem
Author(s): 
Warendorff, Jay
Language: 
eng
Description: 
  • Plane Geometry
  • Let ABCD be a quadrilateral where all the vertices lie on a circle. As long as the (green) diagonals cross, ABxCD+BCxDA=ACxBD; in words, the sum of the products of the two pairs of opposite sides equals the product of the diagonals. Drag any vertex to another location on the circle
  • Componente Curricular::Ensino Fundamental::Séries Finais::Matemática
Issue Date: 
  • 2008
  • 11-Sep-2008
  • 11-Sep-2008
  • 11-Sep-2008
  • 11-Sep-2008
Keywords: 
  • Plane Geometry
  • Greek Mathematics
  • Polygons
  • Educação Básica::Ensino Fundamental Final::Matemática::Espaço e forma
Notes: 
Show the Ptolemy's Theorem
Credits: 
This demonstration needs the "MathematicaPlayer.exe" to run. Found in http://objetoseducacionais2.mec.gov.br/handle/mec/4737
Source: 
http://objetoseducacionais2.mec.gov.br/handle/mec/5271
URI: 
http://acervodigital.unesp.br/handle/unesp/360774
Rights: 
Demonstration freeware using Mathematica Player
Type: 
outro
Appears in Collections:MEC - Objetos Educacionais (BIOE) - OE

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