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MathNet 2010 — Part 03 Question 95

Math Olympiad Vault · MathNet 2010 — Part 03

Question 95

Tangents at points $A$ and $B$ on a circle, centre $O$, meet at $P$. The point $A$ is joined to the mid-point $M$ of $PB$ meeting the circle again at $C$. The line through $C$ and the mid-point $D$ of $PO$ meets the circle again at $E$. Prove $AE \parallel PO$.