問題詳情
3.在△ABC 中，O 點為外心，若∠BOC＝140°，則∠BAC 的度數為多少度？(課本 P.148)
(A) 80°或 100°
(B)80°
(C)70°
(D) 70°或 110°
(A) 80°或 100°
(B)80°
(C)70°
(D) 70°或 110°
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增
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