Geometry, Theorems and Problems

 

 Problem 260. Equilateral Triangle, Incircle, Tangency Points, Vertices, Distances, Squares

The figure shows an equilateral triangle ABC. If a point D is on the incircle, E, F, and G are the points of tangency,
DE = d, DG = e, DF = f, DA = m, DB = n, and DC = q, prove that To prove. View or post a solution.

Problem 260: Equilateral triangle, Incircle, Distances
 

See also: 

  Median length, Apollonius' Theorem
  Euclid's Elements Book II Proposition 13
  Problem 259
  Problem 258
..Problem 257
  Problem 256
  Equilateral Triangle

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