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畫三角形 題2d
Author:
GeoGebra Institute of Hong Kong
Topic:
Isosceles Triangles
,
Triangles
GeoGebra
New Resources
Earth with coastline
中華民國國旗 (Codex╱2026.10.06)
幾何作圖題：切三圓（題目）
四邊形的特性
近似值：有效數字
Discover Resources
角平分線
立體錯覺樓梯(使用透視法會稍有差距)
tan graph 變換
題一
Clock Simulation
Discover Topics
Sphere
Parallelogram
Intersection
Scatter Plot
Straight Lines