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正三角形內一點到三頂點的距離
Author:
羅驥韡 (Pegasus Roe)
Topic:
Area
,
Rotation
,
Triangles
GeoGebra
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拼砌四邊形
直角坐標平面上的旋轉變換
異分母分數減法
四邊形的特性
画直线等分三角形的面积
Discover Resources
旋轉
貝氏曲線 (Bezier Curve)
數字鐘
幂函数演示
DANDELIN
Discover Topics
Special Points
Step Functions
Addition
Solids or 3D Shapes
Cube