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Please calculate the area of triangle BDE.
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As shown in the figure, AB is the diameter of circle O, AB = 12, connected to AC, passing point C is a straight line l // AB, point P is a moving point on line l, and line PA intersects circle O at another point D. The line PB and the line AC intersect at a point E. The distance from point E to line l is 3, connecting BD and DE. Please calculate the area of triangle BDE.
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P92.ggb
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