Parallelogram 4

作者：Murat

Find a relation between the areas of all four triangles formed by two adjacent vertices of the parallelogram and a point within the interior region of the parallelogram.

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Lineare Funktion
inscribed angles V2
Geogebra Tutorial: Line Design Complete
Cuisenaire Rods
Finding the next two terms of a sequence using the method of differences

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相似三角形
冪函數
直角三角形
周長
3D 向量（三維）

Parallelogram 4

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