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正三角形的一边在正n边形上滑动时顶点的动态轨迹
Author:
肖建伟
GeoGebra
New Resources
龙形曲线-分形龙2
圓的基本性質
双心四边形
斜率的值
垂直線的斜率
Discover Resources
切線段等長
Estimating Mean 猜猜平均數
frog 4
gjc91v127 三角形旋轉
圓的外切圓
Discover Topics
Equilateral Triangles
Parametric Curves
Solids or 3D Shapes
Isosceles Triangles
Logarithm