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四角形の各辺の中点を結ぶと?

Author:小山英憲

New Resources

  • 正17角形 作図 regular 17-gon
  • 直線の軌跡
  • standingwave-reflection-fixed
  • サイクロイド
  • standingwave-reflection-free

Discover Resources

  • ターレスの定理の逆 Thales' theorem
  • 相似と反転
  • expIntegral function
  • 2つの三角形の問題(場面の仕組み)
  • 月の満ち欠け

Discover Topics

  • Incircle or Inscribed Circle
  • Diagrams
  • Median Value
  • Orthocenter
  • Algebra
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