MathDB

3

Part of 1996 Baltic Way

Problems(1)

Find all possible values of segment PQ

Source: Baltic Way 1996 Q3

3/19/2011
Let ABCDABCD be a unit square and let PP and QQ be points in the plane such that QQ is the circumcentre of triangle BPCBPC and DD be the circumcentre of triangle PQAPQA. Find all possible values of the length of segment PQPQ.
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