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November 13th, 2010, 01:32 PM   #1
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Similar Triangles III

Two medians of a triangle intersect at a point that divides each median into two segments with length ratio 2:1. Use this to prove that the three medians of a triangle are concurrent.
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November 13th, 2010, 11:05 PM   #2
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Re: Similar Triangles III

I see you have posted three similar triangle problems. If you show your progress, I can help you along the way.
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November 14th, 2010, 08:51 AM   #3
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Assume the longer segments connect the medians' point of intersection to two vertices of the triangle.
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