Transforming Slope Triangles

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Points A and B are moveable. Click Translate: Point E will appear. Move it. Click Rotate: A slider will appear. Change the slider. What do you notice? What do you wonder? ~Math Forum

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Area of a triangle
dy/dx = y-x
Transformations of the Cubic Function
משימה 6 - 430
Naming Figure 1

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三角函數
矩陣
直方圖
黎曼和（Riemann Sum）
幾何

Transforming Slope Triangles

Hints on using applet.

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