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圓周 (圖形I)
Author:
Keith Ko
移動右圖中的紅線到左方虛線，就知道它是相等於左圖的哪條線。
GeoGebra
New Resources
直角坐標平面上的旋轉變換
四邊形的特性
找出對稱軸
Earth with coastline
兩組對邊相等和有直角的四邊形
Discover Resources
二次方程及其圖像
Surface Integration
Center_Circle_Solution
放射狀旋轉圖形(2)
排數咭遊戲_多位數
Discover Topics
Median Line
Root
Circle
Correlation
Continuity