Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2026 — Part 06 Question 146

Math Olympiad Vault · MathNet 2026 — Part 06

Question 146

Let $A$, $B$, $C$, $D$, $E$ be five points on a circle such that $|AB| = |CD|$ and $|BC| = |DE|$. The segments $AD$ and $BE$ intersect at $F$. Let $M$ denote the midpoint of segment $CD$. Prove that the circle of center $M$ and radius $ME$ passes through the midpoint of segment $AF$.