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Ratio of angles at the centre and the length of the arcs.
Author:
Lam Kam Hung
The ratio of the angles at the centre is the same as the length of arc but not the same as the ratio of the chord.
GeoGebra
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三位數除以一位數(二)
【案例】2018年全国1卷理科12题
斜率的值
多邊形的面積
空间中两直线的位置关系
Discover Resources
多項式
利用工作表制作二分树
GeoGebra資料上傳
Pyramid and Cone1
面積2
三角函数 的副本
Discover Topics
Median Value
Frequency Distribution
Linear Regression
Upper and Lower Sum or Riemann Sum
General Quadrilateral