January 11th, 2011, 05:14 AM  #1 
Senior Member Joined: Oct 2010 From: Vietnam Posts: 226 Thanks: 0  Another Geometry Problem
Given a triangle ABC. Line d goes past point A. Draw BH?d;CK?d. If BH+CK is min, where is line d?

January 12th, 2011, 04:51 AM  #2 
Senior Member Joined: Oct 2010 From: Vietnam Posts: 226 Thanks: 0  Re: Another Geometry Problem
Sorry for bad English!I don't know does the question make you guys any misunderstands...

January 12th, 2011, 05:55 AM  #3 
Newbie Joined: Dec 2010 Posts: 3 Thanks: 0  Re: Another Geometry Problem
If I understand the question correctly the answer is "orthogonal to BC" (And then BH+CK = BC)

January 15th, 2011, 01:28 AM  #4 
Senior Member Joined: Oct 2010 From: Vietnam Posts: 226 Thanks: 0  Re: Another Geometry Problem
The meaning of the question is: BH+CK equals to the minimum number.


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