如圖所示，圓的周長是且圓心即是正方形的中心。若正方形外部與圓內部所圍成的區域面積總和，和正方形內部與圓外部所圍成的區域面積總和相等，則正方形的對角線有多長？(A)2 (B) (C) (D)

問題詳情

如圖所示，圓的周長是且圓心即是正方形的中心。若正方形外部與圓內部所圍成的區域面積總和，和正方形內部與圓外部所圍成的區域面積總和相等，則正方形的對角線有多長？
(A)2
(B)
(C)
(D) 4

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無參考答案

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