Question 84
Let $ABC$ be a triangle and let $P$ be a point such that $AP$ is the angle bisector of $\angle BAC$ and segment $BC$ bisects segment $AP$. Prove that perimeter of triangle $ABC$ is greater than or equal to perimeter of triangle $PBC$.
Math Olympiad Vault · MathNet 2016-part-01 — 184 problems (EN–VI)