問題詳情
34. 如圖(十九),ABC中,LB=90, 
=21, 
=20若有一半徑為10的圓分別與 
相切,則下列何種方法可找到此圓的圓心?
(A)∠B的角平分線與 
的交點
(B) 
的中垂線與 
中垂線的交點
(C)∠B的角平分線與 
中垂線的交點
(D)∠B的角平分線與 
中垂線的交點
參考答案
無參考答案
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