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正八面体

Author:Nobuyuki Kawaguchi

New Resources

  • 6章⑥三角柱の展開図
  • 接点の作る円は内接円
  • 対数螺旋
  • 円の伸開線
  • 正17角形 作図 regular 17-gon 2

Discover Resources

  • temp
  • エッシャーのように4(鳥)
  • チェバの定理の発見のし方
  • 黄金比
  • プトレミーの定理

Discover Topics

  • Median Value
  • Special Points
  • Similar Triangles
  • Geometric Distribution
  • Quadratic Equations
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