Tag Archives: mass points

Marion Walter’s Theorem Via Mass Points

I recently had the good fortune of learning Marion Walter’s theorem from Marion Walter herself: Marion Walter’s Theorem: In a triangle, draw line segments from each vertex to the trisection points on the opposite side. The six drawn line segments … Continue reading

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Girls’ Angle Bulletin, Volume 7, Number 5

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. A paraboloid of revolution adorns the cover. Anna investigates cross sections of paraboloids in this issue’s Anna’s Math Journal. It sure feels like … Continue reading

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Girls’ Angle Bulletin, Volume 7, Number 3

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. Much of this issue is about the center of mass, including Julia Zimmerman’s cover drawing which features a mobile fantasy. In Math … Continue reading

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