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        riddles >> medium >> parallelogram
        
(Message started by: tony123 on Aug 27^th, 2007, 6:34am)

Title: parallelogram
Post by tony123 on Aug 27^th, 2007, 6:34am

ABCD a parallelogram and BCED a cyclic quadrilateral , AN stret line cut interior segment CD in M and stret line BC in N ,let ME=NE=CE
show that the m(angle) betwen AN and CE = 90°

Title: Re: parallelogram
Post by Grimbal on Aug 27^th, 2007, 7:20am

Could you provide a picture?

Title: Re: parallelogram
Post by tony123 on Aug 27^th, 2007, 8:12am

http://www.mathyards.com/attach/upload2/wh_60109863.bmp