Feynman's Triangle Problem

this triangle result puzzled famous physicist Richard Feynman in a dinner conversation: For a triangle ABC in the plane, if each vertex is joined to the point (1/3) along the opposite side (measured say anti-clockwise), then area ABC = 7 x area UWV (the inner triangle formed by these lines).

 

Joe DiNoto

 
Resource Type
Activity
Tags
angle  feynman  geometry  ratio  ratios  triangle  triangles 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
GeoGebra version
4.0
Views
4172
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