問題詳情
5.如圖，六邊形 ABCDEF 中，∠F＝108°，∠∠∠∠∠5 分別為∠A、∠B、∠C、∠D、∠E 的外角，求∠1＋∠2＋∠3＋∠4＋∠5＝？ 
(A)240°
(B)252°
(C)276°
(D)288°
(A)240°
(B)252°
(C)276°
(D)288°
參考答案
無參考答案
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