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三角形の外角角の二等分線

Author:聖徳

New Resources

  • standingwave
  • standingwave-reflection
  • standingwave-plus
  • 正17角形 作図 regular 17-gon 2
  • 平均変化率

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  • 三角形の心の分類
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  • 三角柱を切断した立体(立体図形の等積変形)
  • ratio of area(similarity)台形四分割
  • 中1 75°の作図

Discover Topics

  • Random Experiments
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