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圖形的周界 3
Author:
spkwan
格子邊長＝4cm
GeoGebra
等邊三角形拼砌的多邊形，哪一個的周界最長/短/接近＿？
New Resources
找出對稱軸
算柱 (兩位數)
近似值：有效數字
sanjiaohanshu
拼砌四邊形
Discover Resources
用 Geogebra 模擬日照、影長變換
內擺線
Inclined plane (Angle between two planes)
函數圖形的變換
折纸角度探究2
Discover Topics
Ratios
Hypothesis Testing
Incircle or Inscribed Circle
LCM and GCD
Subtraction
