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Copy of 正四面体の内接球の半径
Author:
Suzuki
,
嶋津恒彦
GeoGebra
New Resources
正１７角形 作図 regular 17-gon 2
standingwave
等積変形2
接点の作る円は内接円
サイクロイド
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２次方程式の利用（線分から正方形）
出雲大社の柱
楕円虹
半円の回転移動(for mobile)
複素数回転と拡大(負の角度を含めて)
Discover Topics
Polynomial Functions
Geometric Mean
Equations
Similar Triangles
Normal Distribution