You are in the accessibility menu

Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/unesp/360775
Title: 
The see-saw lemma
Author(s): 
Language: 
eng
Description: 
  • Plane Geometry
  • Draw a semicircle with base AE and center at O. Let the tangent line to the semicircle at D meet the perpendiculars drawn from A and E at B and F. Let G the the point of intersection of BE and AF. Let C be the projection of D onto AE. Then there are three results: (1) GC = GD, (2) CD is equal to the harmonic mean of AB and EF: 2:[(1/AB)+(1/EF) and (3) AO and OE equal the geometric mean of AB and EF: sqrt(ABxEF)
  • 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
  • Educação Básica::Ensino Fundamental Final::Matemática::Espaço e forma
Notes: 
Show the see-saw lemma
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/5272
URI: 
http://acervodigital.unesp.br/handle/unesp/360775
Rights: 
Demonstration freeware using Mathematica Player
Type: 
outro
Appears in Collections:MEC - Objetos Educacionais (BIOE) - OE

There are no files associated with this item.
 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.