4. ( ) 如右圖所示，O，A，B 為正三角形的三個頂點，以為邊向外作一正六邊形。若以 O 為起點，則下列哪一個向量的終點會落在正六邊形的內部？(不含正六邊形的邊界) (A) (B) (C) (

問題詳情

4. ( ) 如右圖所示，O，A，B 為正三角形的三個頂點，以

為邊向外作一正六邊形。若以 O 為起點，則下列哪一個向量的終點會落在正六邊形的內部？(不含正六邊形的邊界)

(A)

(B)

(C)

(D)

(E)

參考答案

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