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四邊形四個九點圓共點(九點心)

Author:連琨銘

New Resources

  • 四邊形的特性
  • Fibonacci Clock
  • 兩組對邊相等和有直角的四邊形
  • 兩組對邊相等的四邊形
  • 美國國旗 (Codex 版)

Discover Resources

  • 圓與切線
  • 正十二面體轉正二十面體
  • 七巧板的副本
  • 圖四的副本
  • 作图模板

Discover Topics

  • Similarity Transformation or Similarity
  • Tangent Function
  • Dilation
  • Right Triangles
  • Difference and Slope
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