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MathNet 2019-part-05 — 184 problems (EN–VI) Question 183

Math Olympiad Vault · MathNet 2019-part-05 — 184 problems (EN–VI)

Question 183

The points $D$ and $E$ are chosen on the sides $AB$ and $AC$ of a triangle $ABC$ so that $DB = BC = CE$. The segments $BE$ and $CD$ meet at $P$. Show that the circumcircles of the triangles $BDP$ and $CEP$ meet at the incenter of $\triangle ABC$.