如图,在直角形△ABC中,角C=90°,A0C=2,BC=1,D在AC上.将△ADB沿直线BD翻折后,点A落在点E处,如果AD上ED,则△ABE的面积为多少?---Chart/Diagram Description: * Type: Geometric figure. * Main Elements: * Points: Labeled points are A, B, C, D, E, F. * Lines/Segments: Segments BC, CA, AB, BF, BD, BE, DE, AE. * Special Properties: * Line segment BC is perpendicular to line segment CA at point C. (Angle BCA is a right angle). * Points C, F, D, A lie on a straight line (line CA). The order of points on the line appears to be C, F, D, A. * Line segment DE is perpendicular to line segment CA at point D. (Angle CDE and Angle ADE are right angles). Point E is positioned below the line CA. * Segments connect B to C, B to F, B to D, B to E, B to A, D to E, A to E.

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