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內外角平分線的副本
Author:
Niehanyu
,
羅驥韡 (Pegasus Roe)
角平分點（圖中 C 點）會形成一個圓
GeoGebra
New Resources
Nested spiral octagon
找出對稱軸
幾何作圖題：切三圓（題目）
美國國旗 (Codex 版)
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
尺規作圖找平方根點(以根號2為例)
Rectangle_03
Pythagorean Triples 畢氏數組
模擬3D空間物件：空間坐標軸的建立
對稱-釘板-Student
Discover Topics
Fractal Geometry
Tangent Line or Tangent
Differential Equation
Calculus
Ratios