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congruent (SA) 2
Author:
Ricky Chan
GeoGebra
New Resources
四邊形的特性
國旗 (作圖步驟直接餵給 Claude)
美國國旗 (Codex 版)
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
Trapezium fixed height
排列組合
M05E Rate of Change
圓錐截痕
幾何板上的等腰梯形
Copy of 劉徽的「割圓術」
Discover Topics
Cosine
Optimization Problems
Ellipse
Area
Logic