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Ratio of angles at the centre and the length of the arcs.
Forfatter
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
Nye Materialer
垂直線的斜率
常见四边形是否是双心四边形
平行線的斜率
双心四边形
空间中两直线的位置关系
Opdag Ressourcer
因式分解測驗
兩線段和圓3
Incentre
二階行列式-平行四邊形的面積
Copy of 賺賠:例1
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