.在Rt△ABC中,C=90°,AD平分∠BAC交BC于D,若CD=4cm,则点D到AB的距离

.在Rt△ABC中,C=90°,AD平分∠BAC交BC于D,若CD=4cm,则点D到AB的距离是        .

答案

4cm  4cm  解析:
p;【解析】略p;【解析】略

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