MathDB

2008.5

Part of Swiss NMO - geometry

Problems(1)

locus of AP x CP + BPx DP = 1 where ABCD square of sidelength 1

Source: Switzerland - Swiss MO 2008 p5

7/17/2020
Let ABCDABCD be a square with side length 11. Find the locus of all points PP with the property AP⋅CP+BP⋅DP=1AP\cdot CP + BP\cdot DP = 1.
geometryLocussquare