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外接円が九点円に
Author:
Bunryu Kamimura
△ABCの外接円が傍心三角形EFGの九点円になっています。
GeoGebra
New Resources
standingwave-plus
６章⑥三角柱の展開図
フーリエ級数展開
正１７角形 作図 regular 17-gon
等積変形2
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e^x の冪級数展開
Ex_77
９点円の拡張(垂足円）
軌跡1
M_iwate_2018_01
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Reflection
Arithmetic Mean
Unit Circle
Isosceles Triangles
General Quadrilateral