locus of centers of equilateral triangles, 3 points lie on 3 lines of triangle
Source: 2007 Sharygin Geometry Olympiad Correspondence Round P10
April 26, 2019
geometryLocusEquilateralEquilateral TriangleLocus problems
Problem Statement
Find the locus of centers of regular triangles such that three given points lie respectively on three lines containing sides of the triangle.