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折り紙テント八角形設計図

Author:Naofumi Horio

New Resources

  • 接点の作る円は内接円
  • 小テスト
  • 目で見る立方体の2等分
  • standingwave-reflection
  • 正17角形 作図 regular 17-gon 2

Discover Resources

  • 立方体断面図長方形
  • 2乗に比例する関数と2次方程式
  • 点対称な図形の観察
  • sonogebra ①
  • 円の性質1

Discover Topics

  • Equilateral Triangles
  • Division
  • Vectors
  • Diagrams
  • Circumcircle or Circumscribed Circle
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