（本题满分10分）如图，如果AB∥CD，AE平分∠BAC，CE平分∠ACD，你能

（本题满分10分）

如图，如果AB∥CD，AE平分∠BAC，CE平分∠ACD，你能判定AE与CE垂直吗?为什么?

答案

（本题满分10分）答案参照教参264页．

解析:略

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