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Uses of Trigonometry
Author:
ylleung
GeoGebra
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算柱 (兩位數)
兩組對邊相等的四邊形
近似值：有效數字
拼砌四邊形
四邊形的特性
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正方體的反射對稱
正立方形與兩面角
認識函數圖形
托勒密定理的應用
砌長方形找因數
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Ratios
Rectangle
Median Line
Cube
Perimeter