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September 19, 2014

September 19, 2014

Posted by **Anonymous** on Thursday, November 5, 2009 at 9:41pm.

- 9th grade -
**Reiny**, Thursday, November 5, 2009 at 10:50pmThe centroid divides a median in the ration of 2:1, the longer part towards the vertex.

so (x+4)/(2x-4) = 2/1

solving....

x = 4

then AM = x+4 + 2x-4

= 3x

= 12

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