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Reflection Observations
作者：
Nicholas Allmon
主題：
反射
GeoGebra
最新資源
Involute of the Circle
The 3D Space
Variation Theory Illustration: Point-Slope Form
Hypocycloids
दुई-ओटा समुहको संयोजन (Union of two sets)
探索資源
Cycloid
Simetria Central
Height of Triangles
Line Joining Centre to Mid-pt. of chord Perpendicular Chord
dandyPara
探索主題
正切線或正切
正方形
統計特徵
線段
正三角形