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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
.
View or post a solution.
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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