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 July 12th, 2013, 06:19 AM #1 Senior Member   Joined: Apr 2012 Posts: 799 Thanks: 1 divide a parallelogram ABCD is a parallelogram, please construct two lines (passing through point A). and divide the area of the parallelogram into three equal parts
 July 12th, 2013, 08:17 AM #2 Senior Member   Joined: Mar 2012 From: Belgium Posts: 654 Thanks: 11 Re: divide a parallelogram This means we have to trisect a line?
 July 12th, 2013, 09:03 AM #3 Senior Member   Joined: Mar 2012 From: Belgium Posts: 654 Thanks: 11 Re: divide a parallelogram Solution: Trisect BC and CD. he points the closest to C are the points we need. connect them with A and you have your 3 equal parts. How to trisect a line: http://www.youtube.com/watch?v=2EGO6przl1k How to construct parallel lines: (needed to construct the trisection) http://www.youtube.com/watch?v=EKL_3xppHcQ
 July 12th, 2013, 11:16 AM #4 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 13,789 Thanks: 970 Re: divide a parallelogram Code:  A B V D U C U on CD, V on BC a = AD = BC, b = AB = CD, u = DU, v = CV u = 2b/3, v = a/3 The 2 lines are AU and AV (of course) Triangle ADU = triangle ABV = quadrilateral AVCU Same as Jellytine's :P
 July 13th, 2013, 02:41 AM #5 Senior Member   Joined: Apr 2012 Posts: 799 Thanks: 1 Re: divide a parallelogram Yes, you got it

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# how parallelogram can be divided into three equal parts

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