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Outline

  1. 圓的性質
    1. Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角
    2. Spotlight 探射燈
    3. Right Triangles in a Circle 圓內的直角三角形
    4. Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角:証明
    5. 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

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Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角

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