IMO 2000
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- Posts:66
- Joined:Tue Mar 20, 2012 12:52 am
Two circles x and y intersect at M and N.Let l be the common tangent to x and y such that M is closer to l than N is.Let l touch x at A and y at B.Let the line through M parallel to l meet the circle x again at C and the circle y again at D.Lines CA and DB meet at E,lines AN and CD meet at P,lines BN and CD meet at Q.Show that EP=EQ
- FahimFerdous
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- Joined:Thu Dec 09, 2010 12:50 am
- Location:Mymensingh, Bangladesh