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thm 11,12
Author:
johnmayhk
Topic:
Circle
chord length vs distance from centre
GeoGebra
New Resources
第八周作业
找出對稱軸
畫出對稱圖形
兩組對邊相等和有直角的四邊形
近似值：有效數字
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劉徽的「割圓術」
tessellation design
拿破侖定理(外拿破侖)證明一
Example 1
P5三角形的面積
Discover Topics
Exponent
Rotation
Logarithmic Functions
Congruence
Fractal Geometry