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Angles associated with Parallel Lines 平行線上的角
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
兩組對邊相等的四邊形
拼砌四邊形
畫出對稱圖形
錐體建築師
直角坐標平面上的旋轉變換
Discover Resources
因式分解二次方程
三角形外心的位置
Copy of 分數與小數
圆锥的侧面展开图3D动画的副本
堆叠方块
Discover Topics
Geometric Transformations
Interest Calculation
Limits
Distributions
Correlation