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定理介紹：切線與半徑 | Tangent and Radius
Author:
Ricky LI
,
chisunch1
GeoGebra
New Resources
兩組對邊相等的四邊形
長方體平面投影 (Codex版)
兩組對邊相等和有直角的四邊形
判斷球體
畫出對稱圖形
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例子
优秀资源
分數應用題：比較兩數的大小
探讨二次多项式的参数和图型
方格紙上畫平行四邊形2的副本
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Matrices
Planes
Conditional Probability
Geometric Transformations
Logic