题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010430-33142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010430-99511.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010430-72865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010431-63719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010431-75692.png)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010431-64117.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010425-67009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010425-65532.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010425-54526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010420-83997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010420-65058.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010420-78014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010420-22046.png)
(1)求角
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010421-11334.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010421-44778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010421-21778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010416-61515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010416-97465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010416-89095.png)
A.60° | B.135° | C.120° | D.90° |
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010412-77982.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010412-42294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010412-30414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010412-13955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010412-48800.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020010407-44724.png)
若|PF1|:|PF2|=3:2,则△PF1F2的面积为 ___________.
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