菱形跳跳 Jack 示例
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①本范例演示了在菱形内部通过跳跳点生成三角形的动态过程;②涉及的核心数学概念包括菱形的性质、三角函数、线性方程、微积分中的极限与导数;③作图要点提炼自 GeoGebra 命令:点、线段、线、交点、距离、角度计算;④适合高中及以上数学学习者,用于理解几何变换与函数图像的关联。
GeoGebra 命令及参数
Point(Circle[A, 8]) → BSegment(A, B) → fPoint(Circle[B, 8]) → CSegment(B, C) → gLine(C, f) → hLine(A, g) → iIntersect(h, i) → DSegment(A, D) → jSegment(D, C) → kDistance(A, B) → distanceABDistance(B, C) → distanceBCDistance(C, D) → distanceCDDistance(D, A) → distanceDAAngle(D, A, B) → αAngle(A, B, C) → βAngle(B, C, D) → γAngle(C, D, A) → δSegment(A, C) → lSegment(B, D) → mIntersect(l, m) → EDistance(A, E) → distanceAEDistance(C, E) → distanceCEDistance(B, E) → distanceBEDistance(D, E) → distanceDEAngle(A, E, D) → ε