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圖二 的複本

Author:Michael Ma, GeoGebra Institute of Hong Kong

New Resources

  • Fibonacci Clock
  • 畫出對稱圖形
  • 四邊形的特性
  • 直角坐標平面上的旋轉變換
  • 拼砌四邊形

Discover Resources

  • 中點軌跡(動點在兩圓上)
  • 外心
  • Copy of 題 5
  • 硬幣繞多邊形面積
  • 小正多边形在大正多边形内的滚动(边长不相等)

Discover Topics

  • Incircle or Inscribed Circle
  • Equilateral Triangles
  • Variance
  • Fractal Geometry
  • Algebra
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