2017 AMC 12B Problem 18


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 ?

(A) 12037(B) 14039(C) 14539(D) 14037(E) 12031\textbf{(A)}\ \frac{120}{37}\qquad\textbf{(B)}\ \frac{140}{39}\qquad\textbf{(C)}\ \frac{145}{39}\qquad\textbf{(D)}\ \frac{140}{37}\qquad\textbf{(E)}\ \frac{120}{31}


Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.

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Category: AMC 12B
Points: 3
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