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Outline

  1. CollectionA
    1. Area of Circles
    2. Geometric workshop for primary school

CollectionA

Author:Y.Gyotoku

  • Area of Circles

  • Geometric workshop for primary school

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Area of Circles

New Resources

  • 対数螺旋
  • 等積変形2
  • 円の伸開線
  • コイン投げと樹形図
  • 正17角形 作図 regular 17-gon

Discover Resources

  • Copy of 錐、柱、錐台
  • 三角形の数は?
  • sinとcosの定義
  • 離心率
  • 三角不等式(三角形ができる条件)

Discover Topics

  • Area
  • Algebra
  • Function Graph
  • Similarity Transformation or Similarity
  • Right Triangles
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