Mystery Plot Triangle

主題：幾何

Two vertices of a triangle are fixed at A(0,0) and B(-2,0). Vertex C may move anywhere in the coordinate plane. Describe the plot of the area of △ABC with respect to the triangle’s perimeter.

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dreiecksungl_schieberegler_worksheet.ggb
The sound of a sine wave
Modify triangle spiral
Equations and Graphs of Exponential Functions

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全等
積分
3D 向量（三維）
內切圓
除法

Mystery Plot Triangle

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