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Author:林鳳美

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畫出對稱圖形
四邊形的特性
國旗 (作圖步驟直接餵給 Claude)
近似值：有效數字
兩組對邊相等的四邊形

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固定邊長之長方形的特定內接平行四邊形面積
CircleIII
Drag the red dots, see the area ratio of EHFG to ABCD
歐拉圓
三角形的心

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Scalene Triangles
Matrices
Triangles
Cuboid
Area

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