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Angle at Centre and Angle at circumference
Author:
Tsang Ka Chun
GeoGebra
New Resources
畫出對稱圖形
錐體建築師
三位數除以一位數（二）
画直线等分三角形的面积
柱體建築師
Discover Resources
圓定理2.1
擴分和約分
Rotational Symmetry
正切函數值的變化
螺旋正方形
Discover Topics
Stochastic Process or Random Process
Subtraction
Bar Chart or Bar Graph
Confidence Interval
Similar Triangles