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S5 Ch1.3 圓心角兩倍於圓周角
Author:
Li Woon Chung
Topic:
Circle
觀察圓心角與圓周角的大小關係
GeoGebra
New Resources
找出對稱軸
【案例】圆柱体内放置一个大球六个小球
球體建築師
三位數除以一位數（二）
判斷球體
Discover Resources
畫鐘面
平行四邊形和長方形的大小
面積3轉正三角形
水流問題(黑板)
错觉多边形
Discover Topics
Sequences and Series
Vectors 2D (Two-Dimensional)
Logic
Multiplication
Secant Line or Secant