题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112134-54675.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-33056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-62576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112136-71955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112136-67479.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112136-12898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
(2)试求
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112136-99443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112137-95161.png)
解析
试题分析:(1)由
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112137-63475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112137-14449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112137-41369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112138-64947.png)
(1)由图可得
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112136-12898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112138-19088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112138-64535.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112138-26851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112138-80397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112139-15113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112139-98216.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112139-66839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112139-84491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112138-26851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112136-99443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112137-95161.png)
答:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-44263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112136-99443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112135-80265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112137-95161.png)
点评:解题的关键是熟练掌握角的平分线把角分成相等的两个小角,且都等于大角的一半.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112131-30851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112131-42125.png)
(1)若点P到点A,点B的距离相等,求点P对应的数;
(2)数轴上是否存在点P,使点P到点A、点B的距离之和为6?若存在,请求出x的值;若不存在,说明理由;
(3)点A、点B分别以2个单位长度/分、1个单位长度/分的速度向右运动,同时点P以6个单位长度/分的速度从O点向左运动.当遇到A时,点P立即以同样的速度向右运动,当遇到B时,点P立即以同样的速度向左运动……点P不停地往返于点A与点B之间,求当点A与点B重合时,点P所经过的总路程是多少?
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112125-30035.png)
A.同位角相等 | B.内错角相等 |
C.同旁内角互补 | D.同一平面内,平行于同一直线的两直线平行 |
A.a∥d | B.b⊥d | C.a⊥d | D.b∥c |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021112110-45287.png)
A.20° | B.40° | C.50° | D.60° |
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