题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093856-17994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093857-36919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093857-71344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093857-82767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093857-84262.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093857-84900.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093857-73822.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093858-82365.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
答案
解析
试题分析:如图,
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093859-91589.png)
设
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093859-60801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093859-10105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093900-85753.png)
在
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093900-25569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093900-23643.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093900-68095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093900-43370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093901-44081.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093847-96634.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093847-65550.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093847-38001.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093847-18374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093848-91065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093848-92674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093848-37039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093848-13322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093849-56743.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093848-91065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093849-56537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093839-56039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093839-86886.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093839-21505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093839-86886.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093822-49065.png)
(1)若直线PQ过定点
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093823-88189.png)
(2)对于第(1)问的点A,三角形APQ能否为等腰直角三角形?若能,试确定三角形APD的个数;若不能,说明理由.
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093817-95837.png)
A.2 | B.1 | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093812-69978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093812-53049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093812-12976.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093813-22344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024093813-62535.png)
A.5 | B.![]() | C.![]() | D.4 |
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