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Peaucellier linkage
作者：
Yudong Liu
GeoGebra
最新資源
bewijs stelling van Pythagoras
Fractal Tétraèdre. Dilatation -1/2 centre triangles
The Gardener's Ellipse
Limaçons
Graph of Slopes of Tangent Lines
探索資源
Build a triangle from Angle Bisectors?
Quads
Parallelogram
Multiples
Add 2 and 3 vectors Geometrically
探索主題
垂心
數
直角三角形
矩形
正切線或正切