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Find your perfect rectangle
Author:
黃懿德
GeoGebra
New Resources
美國國旗 (Codex 版)
兩組對邊相等和有直角的四邊形
Nested spiral octagon
算柱 (兩位數)
國旗 (作圖步驟直接餵給 Claude)
Discover Resources
正弦定理的验证
軌跡圖
極式：切線方向
探究判定全等三角形的条件（ASA）
旋轉圓弧
Discover Topics
Rectangle
Square
Arithmetic
Statistics
Fractal Geometry