Tag Archives: mass points

Marion Walter’s Theorem Via Mass Points

Posted on July 15, 2014 by girlsangle

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

Posted on June 30, 2014 by girlsangle

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

Posted on February 28, 2014 by girlsangle

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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