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Angle at centre twice angle at circumference
Author:
Big Lee
GeoGebra
New Resources
GeoGebra笔记功能体验课件
找出對稱軸
畫出對稱圖形
三位數除以一位數（二）
兩位數加法
Discover Resources
Angle Between Two Planes Definition 平面與平面間之交角 定義
GGB8
讀磅
Copy of 包含除法（1 ÷分數）
橢圓幾何性質,光學性質,生活應用
Discover Topics
Geometric Mean
Angles
Frequency Distribution
Pie Chart or Circle Chart
Parallelogram