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Double Amount (Posted on 2009-11-25) Difficulty: 3 of 5
Let ABC be a triangle with |AB| > |AC|. Let D be a point on line AB such that |AD| + |DC| = |AB| and point A lies between points B and D. Let E be the midpoint of line segment BC and F the point on side AB such that CF is perpendicular to AE.

Prove that |BF| = 2|AD|.

See The Solution Submitted by Bractals    
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  Subject Author Date
SolutionSolutionHarry2009-11-26 12:34:50
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