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September 27th, 2010, 07:44 AM  #1 
Newbie Joined: Sep 2010 Posts: 5 Thanks: 0  quadrilateral and area
Hello We have a quadrilateral ABCD Let the points K, L, M, N be agents sides ABCD Prove that: PABCD=2PKLMN 
September 28th, 2010, 05:57 AM  #2 
Newbie Joined: Sep 2010 Posts: 5 Thanks: 0  Re: quadrilateral and area
Obsolete Already know 
September 29th, 2010, 04:34 AM  #3 
Global Moderator Joined: Dec 2006 Posts: 19,058 Thanks: 1618 
What did "agents" mean?


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area, quadrilateral 
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