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Reference Angle 參考角

Author:Alex CHIK

Topic:Trigonometry

gMath 互動數學教室 http://www.geogebra.hk

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找出對稱軸
美國國旗 (Codex 版)
算柱 (兩位數)
美國國旗 (Claude 版)
兩組對邊相等和有直角的四邊形

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三角柱
transformation_enlarge/reduction
公倍數與最小公倍數（L.C.M.）
正六邊形串珠
折長方形 62326虹圻

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General Quadrilateral
Matrices
Pyramid
Conditional Probability
Geometric Transformations

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