如图所示,在△ABC中,AD是∠BAC的平分线,AD = 15,AC=12,CD

Freeti2019-12-17  30

问题 如图所示,在△ABC中,AD是∠BAC的平分线,AD = 15,AC=12,CD=9,则点D到AB边的距离是( )。A. 12 B. 10C. 9 D.无法确定

选项

答案C

解析[img]/upload/tiku/154/2544786_1.jpg[/img][img]/upload/tiku/154/2544786_1_1.jpg[/img][img]/upload/tiku/154/2544786_1_2.jpg[/img][img]/upload/tiku/154/2544786_1_3.jpg[/img]
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