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Rotational and reflectional symmetry of a regular polygon
Author:
Ngan Hok Hei
,
lamanleung
GeoGebra
New Resources
找出對稱軸
画直线等分三角形的面积
第八周作业
兩組對邊相等的四邊形
三位數除以一位數（二）
Discover Resources
Verification of Pythagoras Theorem 驗証畢氏定理
圆锥曲线定义的拓展（卡西尼卵形线）
Angle between Lateral Faces 2
分數與小數
擲兩個硬幣的機率分布
Discover Topics
Orthocenter
Calculus
Logarithm
Polynomial Functions
Exponent