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外分

Author:kyouko

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接点の作る円は内接円
直線の軌跡
カージオイド
等積変形2
正１７角形　作図　regular 17-gon

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デザイン定規
変換群の計算
穴開け
アニメーション１０コマ２
合同な三角形

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Incircle or Inscribed Circle
Rotation
Sphere
General Quadrilateral
Circumcircle or Circumscribed Circle

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