問題詳情
20. 如圖 ( 十一 )，長方形 ABCD 中，M 為 
中點，今以 B、M為圓心，分別以 
長、 
長為半徑畫弧，兩弧相交於 P 點。若∠PBC = 70∘，則∠MPC 的度數為何？
(A) 20
(B) 35
(C) 40
(D) 55
參考答案
無參考答案
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