Please help me with this prove.
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Are AB and CD equal?
Let and Then and
Thank you for your answer. I don't understand this. Please give me a simple prove.
See attachment.
Last edited by malaygoel; Jun 27th 2009 at 01:05 AM.
Thanks a lot! I also spent sometime thinking about this problem again and found an another way of solving. Triangle BDG is a right isosceles triangle. ADGC is a parallelogram.
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