题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004250-48775.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004250-58253.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004251-12831.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004250-58253.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004251-38966.gif)
解析
核心考点
举一反三
如图,直角三角形
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004240-24818.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004241-67740.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004241-56990.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004242-72064.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004242-59508.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004242-96197.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004242-81149.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004242-34458.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004243-89963.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004240-24818.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004243-89963.gif)
(3)直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004243-84422.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004242-96197.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004243-29418.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004243-89963.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004243-99070.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004232-67553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004233-65827.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004233-82937.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004233-77160.png)
则圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004233-90508.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004228-65978.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004229-82257.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004229-29385.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004228-65978.gif)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004229-22066.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004221-85637.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004222-70230.png)
A.![]() | B.![]() | C.![]() | D.![]() |
已知点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004204-13677.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004204-56273.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004204-70339.gif)
(1)求动圆圆心的轨迹
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004204-44864.gif)
(2)设点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004205-86639.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004205-10004.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004204-44864.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004205-91049.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004205-27424.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004205-10004.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004206-60757.gif)
(3)在
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004206-38163.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004206-66510.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004206-51965.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004207-92606.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004205-10004.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004204-44864.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004207-73712.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004206-60757.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004207-32239.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004207-14109.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004208-58857.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023004207-14109.gif)
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