Proposed Problem
Click the figure below to see the complete problem 401 about Area, Triangle, Angle bisector, Circumcircle, Perpendicular bisector, Congruence.
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Complete Problem 401
Level: High School, SAT Prep, College geometry
Wednesday, December 9, 2009
Problem 401. Area, Triangle, Angle bisector, Circumcircle, Perpendicular bisector, Congruence
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DH=GC ( from P 400 )=> area DHF=area FGC (same altitude)
ReplyDeleteTr FHC and GEC are similar => GC/HC = EP/FK ( EP and FK
altitude of EGC and FHC ) => CG FK = HC PE but HC =DG
so CG FK = DG EP or (CG FK )/ 2 = (DG HP )/2
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