geometry problem

taifast

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Feb 16, 2012
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6
The triangle ABC has medians AD, BE, and CF, and centroid G. Medians AD and BE are perpendicular.


a)[FONT=&quot] [/FONT]1)What is the relationship of the length BC to the length GD?

b)[FONT=&quot] [/FONT]2)Prove that AG=BC

I solve the first problem, GD is 1/6 of BC. But there is no way that AG=BC, from what I can see, AG=2GD=2x1/6BC=1/3BC. What am I doing wrong?
 
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