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AMC 12 2017b Problem 18

  • Paper

The diameter ABAB of a circle of radius 22 is extended to a point DD outside the circle so that BD=3BD=3. Point EE is chosen so that ED=5ED=5 and line EDED is perpendicular to line ADAD. Segment AEAE intersects the circle at a point CC between AA and EE. What is the area of △ABC\triangle ABC?

\textbf{(A)}\ \frac{120}{37} \textbf{(B)}\ \frac{140}{39} \textbf{(C)}\ \frac{145}{39} \textbf{(D)}\ \frac{140}{37} \textbf{(E)}\ \frac{120}{31}

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

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