TOT 2004 Fall - Senior A-Level p4 locus of circumcenters
Source:
February 25, 2020
geometryLocusCircumcentercircumcircle
Problem Statement
A circle with the center is entirely inside of a circle with center . Consider all possible chords of the larger circle which are tangent to the smaller one. Find the locus of the centers of the circles circumscribed about the triangle .