满分5 >
初中数学试题 >
如图,在△ABC中,AB=10,AC=8,BC=6,经过点C且与边AB相切的动圆...
如图,在△ABC中,AB=10,AC=8,BC=6,经过点C且与边AB相切的动圆与CA,CB分别相交于点P,Q,则线段PQ长度的最小值是
.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961015_ST/images0.png)
考点分析:
相关试题推荐
如图,直线y=-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961014_ST/0.png)
x+2与x轴相交于点A,与y轴相交于点B,将△ABO沿着AB翻折,得到△ABC,则点C的坐标为
.
查看答案
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961013_ST/images0.png)
如图所示的半圆中,AD是直径,且AD=3,AC=2,则sinB的值是
.
查看答案
如图△ABC中BD和CE是两条高,∠A=45°,∠ADE=∠ABC,则
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961012_ST/0.png)
=
.
查看答案
凯恩数据是按照某一规律排列的一组数据,它的前五个数是:
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961010_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961010_ST/1.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961010_ST/2.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961010_ST/3.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190257881396177/SYS201311011902578813961010_ST/4.png)
,按照这样的规律,这个数列的第8项应该是
.
查看答案