如图,已知平行四边形ABCD中,AB=5,BC=8,cosB=
,点E是BC边上的动点,当以CE为半径的圆C与边AD不相交时,半径CE的取值范围是( )
![](https://img.xkw.com/dksih/QBM/2015/9/29/1573918452539392/1573918458765312/STEM/4c53cf1220e64493a2057be4fac1ccc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://img.xkw.com/dksih/QBM/2015/9/29/1573918452539392/1573918458765312/STEM/4c53cf1220e64493a2057be4fac1ccc7.png)
A.0<CE≤8 | B.0<CE≤5 |
C.0<CE<3或5<CE≤8 | D.3<CE≤5 |
2015·河北石家庄·一模 查看更多[4]
2015届河北省石家庄市中考一模数学试卷2015届河北省石家庄市栾城县中考一模数学试卷2018年秋人教版九年级上册第24章圆重点提升测试数学试题(已下线)【万唯原创】2016年河北省中考数学-面对面练习册-第六章2+3
更新时间:2015-09-29 16:53:21
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