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Author:tok

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円の伸開線
直線の軌跡
接点の作る円は内接円
斜めドップラー
sine-wave

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廉術変換（環円廉術）
平面の方程式
正四面体の内接球の半径のコピー
箱4
面のなす角

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Geometric Transformations
Similar Triangles
Set Theory
Dilation
Piecewise Functions

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