2010-2011 Mock USAJMO Problems/Solutions/Problem 1
Problem
Given two fixed, distinct points and
on plane
, find the locus of all points
belonging to
such that the quadrilateral formed by point
, the midpoint of
, the centroid of
, and the midpoint of
(in that order) can be inscribed in a circle.
Solution
coordinate bash with the origin as the midpoint of BC using Power of a Point.
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