如图,矩形ABCD中,AB=4,BC=3,连接AC,⊙P和⊙Q分别是△ABC和△ADC的内切圆,则PQ的长是_______ .
![](https://img.xkw.com/dksih/QBM/2017/10/12/1793751725744128/1794370567348225/STEM/5d6c137424df40ddb5774e5bb90cb789.png?resizew=128)
更新时间:2017-10-13 19:27:52
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【推荐1】如图,在
中,
,
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,
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、
延长线相切,切点分别为
、
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【推荐2】小君家购入如图1的划船机一台,如图2是划船机的部分示意图.阻尼轮
由支架
和
支撑,点A处于点O的正下方,
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上,
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为35
,E、A两点间的水平距离
为72
,
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的长为______
.
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【推荐1】已知等腰三角形ABC中,AB=AC,BC=6,以A为圆心2为半径长作⊙A,以B为圆心BC为半径作⊙B,如果⊙A与⊙B内切,那么△ABC的面积等于_____ .
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