题目
题型:不详难度:来源:
A.线段 | B.角 | C.正方形 | D.有一个内角为45°的三角形 |
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155743-58993.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155743-42169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155743-95244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155743-52523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155744-21086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155744-24991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155744-93779.png)
小题1:求点
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155744-49628.png)
小题2:如图2,将
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155745-44209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155744-49628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155745-72845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155745-28996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155745-24377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155746-36385.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155746-51568.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155746-92300.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155746-20633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155747-40765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155747-74608.png)
小题3:在⑵的基础上,将
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155745-28996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155744-49628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155747-95927.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155747-73501.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155748-50975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155739-38424.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155731-57625.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155731-57803.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155732-87656.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155732-73113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155732-73748.png)
A.点E | B.点F |
C.点G | D.点H |
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155716-57175.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155716-90314.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155716-57175.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155717-93060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155717-28482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155717-65136.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155717-28482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155717-71419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155718-20950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155718-23918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155718-52275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155719-54181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155719-21405.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155719-38713.png)
小题1:(1)如图1,观察并猜想,在旋转过程中,线段
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155719-63341.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155720-47407.png)
小题2:(2)如图2,当
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155717-28482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155720-16927.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155720-63190.png)
小题3:(3)在(2)的情况下,求
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155720-84883.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155721-52594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155711-97097.png)
小题1:(1)在图甲中,你发现线段AC、BD的数量关系是_______,直线AC、BD相交成____度角;
小题2:(2)将图甲中的
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155712-73063.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155712-86072.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155712-73063.png)
小题3:(3)将图甲中的
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155712-73063.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106155712-73063.png)
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