問題詳情
33. 如圖(十四)，座標平面上，I為△ABC的內心，其中 
平行x軸，∠CAB=90°，且A的座標為(2, 1)。求直線AI與y軸的交點座標為何?
(A) (0, -1/2)
(B) (0, -1)
(C) (0, -3/2)
(D) (0, -2)
參考答案
無參考答案
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