Difference between revisions of "2010-2011 Mock USAJMO Problems/Solutions/Problem 1"

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coordinate bash with the origin as the midpoint of BC using Power of a Point.
 
coordinate bash with the origin as the midpoint of BC using Power of a Point.
  
[[http://artofproblemsolving.com/wiki/index.php/2010-2011_Mock_USAJMO_Problems/Solutions]]
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[[2010-2011 Mock USAJMO Problems/Solutions]]

Revision as of 19:56, 28 June 2015

Problem

Given two fixed, distinct points $B$ and $C$ on plane $\mathcal{P}$, find the locus of all points $A$ belonging to $\mathcal{P}$ such that the quadrilateral formed by point $A$, the midpoint of $AB$, the centroid of $\triangle ABC$, and the midpoint of $AC$ (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.

2010-2011 Mock USAJMO Problems/Solutions