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街灯　影の長さ

Author:増永雄大

Topic:Constructions, Geometry, Straight Lines, Planes, Similar Triangles

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正１７角形　作図　regular 17-gon
円の伸開線
カージオイド
サイクロイド
standingwave-plus

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垂足三角形と傍心三角形
問57
テスト解説2017 11月
kaleidoscope_abstract
タンジェント不等式小なり

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Logarithmic Functions
Incircle or Inscribed Circle
Circumcircle or Circumscribed Circle
Polynomial Functions
Function Graph

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