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Outline
圓的性質
Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角
Spotlight 探射燈
Right Triangles in a Circle 圓內的直角三角形
Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角：証明
Quiz on Angles in a Circle 圓內的角：測驗
圓的性質
Author:
Alex CHIK
GeoGebra 互動數學教室
http://www.geogebra.hk
Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角
Spotlight 探射燈
Right Triangles in a Circle 圓內的直角三角形
Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角：証明
Quiz on Angles in a Circle 圓內的角：測驗
Next
Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角
New Resources
兩組對邊相等的四邊形
球体的体积推导（优化版）
異分母分數減法
第八周作业
兩位數加法
Discover Resources
中國火柴遊戲一
圓柱
三角柱算體積
圓錐完成
解不等式
Discover Topics
Inequalities
Multiplication
Diagrams
Similarity Transformation or Similarity
Limits
