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奈格爾點
Author:
連琨銘
GeoGebra
New Resources
畫出對稱圖形
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
拼砌四邊形
直角坐標平面上的旋轉變換
Discover Resources
Trigonometry
正弦定理的验证
平移
All in one (Centres of triangle)
同側AP-BP最大值
Discover Topics
Secant Line or Secant
Logic
Geometric Mean
Area
Intersection