题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003913-64407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003914-21891.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003913-64407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003914-76168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003914-97687.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003914-54763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003915-90544.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003915-56475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003915-51638.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003913-64407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003915-47405.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003916-40503.png)
答案
解析
试题分析:由切割线定理,得:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003916-98397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003916-24000.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003907-53613.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003907-27902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003907-34827.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003907-78206.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003907-49391.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003907-34827.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003908-38388.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003908-54271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003908-62060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003908-18387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003908-38223.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003858-29023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003858-84972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003859-41312.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003859-10950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003859-46081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003858-84972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003900-64239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003900-96080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003900-50965.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003849-31902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-62211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-95885.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-84979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-11670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-29997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-84979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-69424.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-62211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-84979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-11670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-43279.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-42871.jpg)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003850-24375.png)
(Ⅱ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003851-58787.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003841-86313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003841-62227.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003841-86313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003842-81915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003842-30492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003842-84754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003842-87598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003843-32177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003843-66064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003841-86313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003843-45186.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003843-23296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003834-62746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003835-91011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003835-35209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003834-62746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003835-65676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003835-91011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003835-25492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003836-52631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003836-79954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108003836-21857.png)
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