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30°の角の作図

Author:Ryoichi Nakayama

New Resources

  • 正17角形 作図 regular 17-gon
  • 正17角形 作図 regular 17-gon 2
  • standingwave-reflection-fixed
  • 円の伸開線
  • 等積変形2

Discover Resources

  • 軌跡1
  • 三平方の定理
  • 例2円錐の展開図
  • 円周角2
  • 回転体-球
  • アポロニウスの円

Discover Topics

  • Trigonometry
  • Rotation
  • Numbers
  • Sphere
  • Root
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