题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114135-39653.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-63117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-71837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-22395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-35317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-12765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-67796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-14937.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() ![]() | D.以上都不对 |
答案
解析
试题分析:根据
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-22395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-35317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-12765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-67796.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-22395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-35317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-12765.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-67796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114138-23470.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114136-71837.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-67796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114137-74902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114138-64465.png)
故选B.
点评:解答本题的关键是熟练掌握补角的定义:和为180°的两个角互为补角,其中一个角叫另一个角的补角.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114121-62072.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114121-57167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114121-93341.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114122-98312.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114122-25240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114122-57285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114122-27702.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114123-87865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114123-78761.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114123-91643.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114123-12005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114113-71426.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114114-74403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114114-50395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114114-79433.png)
(1)画直线
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114114-10695.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114115-12406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114115-35184.png)
(4)若点
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114114-74403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114113-71426.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114114-79433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114113-71426.png)
(5)在射线
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114115-35184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114115-65331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114115-91267.png)
(6)在平面上确定一点
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114116-53579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114116-95984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114116-94307.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-31347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-89417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-32816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-27347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-75231.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-44684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-16031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-50617.png)
(1)如图①,若
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-89417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-32816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-13132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-74964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114100-70301.png)
(2)如图②,若
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114100-57512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114100-30669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-74964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114101-81526.png)
(3)如图③,在
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-13132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114101-10585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114101-92440.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-74964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114101-81526.png)
(4)将(3)中的
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114101-32196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114058-27347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114059-13132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114101-46132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114102-45804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114102-29198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114102-46232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021114047-14879.png)
A.1.5cm | B.3cm | C.0.75cm | D.![]() |
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