問題詳情
15. 下列敘述何者錯誤？
(A) 過直線 L 外一點 P 到直線 L 的垂線只有一條
(B) 將 
平分的直線只有一條
(C)線對稱圖形的對稱軸必垂直平分兩個對稱點的連線段
(D) 正多邊形必為線對稱圖形
參考答案
無參考答案
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