题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080437-54190.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080437-12723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080437-48347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080438-60319.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080438-18981.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080438-95605.png)
解析
设
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080438-24341.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080438-68504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080438-33963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080439-19098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080439-92802.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080439-78334.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080438-95605.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080432-50767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080432-28213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080432-56750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080432-43335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080433-71822.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080433-20081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080433-20081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080432-43335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080433-30437.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080427-82025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080427-16299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080427-10331.png)
则AE:AB的值为( )
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080427-25759.png)
A.![]() | B.![]() | C.![]() | D.无法确定 |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080409-19334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080409-35867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080409-73225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-85848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-24202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-28109.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-71570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-24202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080409-73225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080411-30503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080411-83699.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080411-24741.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080411-77663.png)
(2)如图所示,过
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080409-73225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080412-31773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080412-35046.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080412-98305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080413-25697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-28109.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080413-42418.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080413-22019.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080413-86809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080413-86809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080414-23363.png)
(3)如图所示,将
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080414-20085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080409-73225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080414-84293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-28109.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080414-87593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080414-87593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080410-71570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080415-82829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080414-87593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080413-22019.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080415-17090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080409-73225.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080415-22670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080415-97922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080414-20085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103080416-68619.png)
A.1440 | B.1350 | C.1500 | D.1400 |
A.4cm | B.5cm | C.9cm | D.13cm |
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