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圓外切四邊形
Author:
Gideon Huang
GeoGebra
New Resources
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
錐體建築師
拼砌四邊形
画直线等分三角形的面积
Discover Resources
Ray tracing
angle between lines
梯形有甚麼特性？
旁心
半角公式R.J. 沃克(R.J. Walker)
Discover Topics
Right Triangles
Continuity
Fractions
Statistical Characteristics
Ellipse