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Tangent and Radius(切線及半徑)
Author:
chisunch1
GeoGebra
New Resources
平行線的判定
龙形曲线-分形龙
常见四边形是否是双心四边形
直線的斜率：水平變化 & 鉛垂變化
异形操场
Discover Resources
exponential function translation
[問題] OP 最大投影長
梯形堆垛
勒洛三角形任意點P軌跡
探究平行四邊形面積
Discover Topics
Vectors 2D (Two-Dimensional)
Tangent Function
Dilation
Rotation
Orthocenter