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圓的外切圓
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
註：全華第三冊習題 1-1 進階題第 2 題 (107/09)
New Resources
畫出對稱圖形
直角坐標平面上的旋轉變換
兩位數加法
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
clock
Circumference 圓周
球面上的座標架
正n邊形與圓上點的中點軌跡(解析)
正多邊形的對角線
Discover Topics
Pythagoras or Pythagorean Theorem
Differential Calculus
Inequalities
Optimization Problems
Right Triangles