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AMC 12 2025a Problem 8

  • Paper

Pentagon ABCDEABCDE is inscribed in a circle, and ∠BEC=∠CED=30∘\angle BEC = \angle CED = 30^\circ. Let line ACAC and line BDBD intersect at point FF, and suppose that AB=9AB = 9 and AD=24AD = 24. What is BFBF?

(A) 5711(B) 5911(C) 6011(D) 6111(E) 6311\textbf{(A) } \frac{57}{11} \textbf{(B) } \frac{59}{11} \textbf{(C) } \frac{60}{11} \textbf{(D) } \frac{61}{11} \textbf{(E) } \frac{63}{11}

Dataset text AMC 12 2000 to 2025. Quoted with source.

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