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              In triangle ABC, 
				angle B is a right angle. BD is the altitude, 
				E, F, and G are the incenters of the triangles ABC, 
				ADB, and 
				BDC respectively. Prove that E is the 
				orthocenter of triangle 
				BFG.
				. 
						
                
                
				
                
                
  
  
  
  
  
			  
			
  
      Flyer of problem 37 using iPad Apps
	
         
   
  
  
      Geometry Problem 37 Illustration with iPad
	
         
   
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