A VERY EASY PROBLEM
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MATHPRITOM
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ABCD is a quadrilateral .P,Q,R,S are midpoint of AB,BC,CD,DA. If PR & RS meet at O ,prove that, PO= RO.
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nafistiham
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Re: A VERY EASY PROBLEM
midpoints of sides of any quadrilateral make a parallellogram 
Phlembac Adib Hasan wrote:And it's called Varignon's theorem.
Last edited by nafistiham on Fri Feb 03, 2012 6:20 pm, edited 1 time in total.
\[\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0\]
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
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Phlembac Adib Hasan
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Re: A VERY EASY PROBLEM
And it's called Varignon's theorem.
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