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9.1 - 直角座標上的三角比
Author:
W.L. Wong, Albert
GeoGebra
New Resources
球體建築師
判斷球體
畫出對稱圖形
柱體建築師
兩位數除以一位數（一）
Discover Resources
Reference Angle 參考角
利用sequence指令在大圓上畫12個小圓
ex 4
边长可变的正三角形上莱洛转子的滚动
Curtate Cycloid
Discover Topics
Polynomial Functions
Constructions
Centroid or Barycenter
Circumcircle or Circumscribed Circle
Congruence