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 Girls’ Angle Bulletin, Volume 10, Number 4
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 Girls’ Angle Bulletin, Volume 10, Number 3
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 Girls’ Angle Bulletin, Volume 10, Number 2
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 Girls’ Angle Bulletin, Volume 10, Number 1
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 Girls’ Angle Bulletin, Volume 9, Number 6
 Girls’ Angle Bulletin, Volume 9, Number 5
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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
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
Posted in math, Math Education
Tagged Brahmagupta, Cailan Li, chicken mcnugget, cyclic quadrilateral, Frobenius coin problem, Johnny Tang, Kate Jenkins, Marie Vitulli, mass points, maximum subsequence, MIT's Aero/Astro, paraboloidal cross sections, permutations, quadratic reciprocity, Valeria Golosov
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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
Posted in math, Math Education
Tagged center of mass, gravity, Karen Smith, law of the lever, mass points, mobiles, vectors, WallaceBolyaiGerwien theorem, x to the x
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