下圖有三個大小相同的圓，其中各有長度分別為 7 的兩弦，且甲、乙、丙分別是各圓與其兩弦形成的灰色區域。根據圖中圓與弦的位置，判斷甲、乙、丙面積的大小關係為何？ (A)甲＞乙＞丙 (B)甲＞丙-58題庫

18.下圖有三個大小相同的圓，其中各有長度分別為 7 的兩弦，且甲、乙、丙分別是各圓與其兩弦形成的灰色區域。根據圖中圓與弦的位置，判斷甲、乙、丙面積的大小關係為何？

(A)甲＞乙＞丙
(B)甲＞丙＞乙
(C)甲＞乙＝丙
(D)甲＝乙＝丙

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