問題詳情
23. 如圖(十二)，圖上有B、C兩點 
為圓的兩切線。若 
將圓分成兩弧，且其中一弧的長為圓周長的1/10，則∠BPC的度數為何？
(A)108
(B)120
(C)144
(D)162
參考答案
無參考答案
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