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綱要

  1. Circle Theorems
    1. Circle Theorems

    Circle Theorems

    作者:gcrtaylor
    主題:角度, 圓

    Circle Theorems

    Each theorem presented so generalisations can be made

    • Angle at centre is twice angle at circumference

    • Circle Theorem - Angle at the circumference from diameter

    • Tangent to Radius

    • Angles from same chord are equal

    • Cyclic Quadrilateral

    下一步
    Angle at centre is twice angle at circumference

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