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角内切圆
Author:
GeoGebra Institute of WuXi
位似指令的应用
GeoGebra
New Resources
判斷球體
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
拼砌四邊形
画直线等分三角形的面积
Discover Resources
圓錐的展開圖
九點共圓
七巧板
Distance(距離公式)
S2 Chapter11.2 選擇適當的三角比
Discover Topics
Pyramid
Sphere
Random Variables
Congruence
Isosceles Triangles