Type:

Other

Description:

A listing, with description and illustration, of 20th-century triangle centers (including: Schiffler Point, Exeter Point, Parry Point, congruent isoscelizers point, Yff Center of Congruence, isoperimetric point and equal detour point, Ajima-Malfatti Points, Apollonius Point, Morley Centers, Hofstadter Points, and equal parallelians points) and some classical triangle centers (including: centroid, incenter, circumcenter, orthocenter, Fermat Point, nine-point center, symmedian (or Lemoine) point, Gergonne point, Nagel point, Mittenpunkt, Spieker center, Feuerbach point, isodynamic points, and Napoleon points), as well as other references (to print works) and a list of journals that frequently publish items of interest to triangle geometers.

Subjects:

  • Mathematics > Geometry
  • Mathematics > General
  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

Informal Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-021,Higher Education,NSDL,Mathematics -- Instructional issues,oai:nsdl.org:2200/20110201182133881T,Technical Education (Lower Division),Undergraduate (Upper Division),Undergraduate (Lower Division),High School,Vocational/Professional Development Education,Mathematics -- Geometry,Mathematics,Education,General Public,Technical Education (Upper Division)

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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