如图,在△ABC中,∠C=90°,∠B=30°,以A为圆心,任意长为半径画弧,分别交AB、AC于点M、N,再分别以M、N为圆心,大于
MN的长为半径画弧,两弧交于点P,连结AP并延长交BC于点D,则以下结论:①AD是∠BAC的平分线,②点D在AB的垂直平分线上,③AB=2AC,④
=2
,其中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/02eb0410-e08b-4925-91d7-6185577451c8.png?resizew=185)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/02eb0410-e08b-4925-91d7-6185577451c8.png?resizew=185)
A.1 | B.2 | C.3 | D.4 |
21-22八年级上·四川乐山·期末 查看更多[3]
四川省乐山市沐川县2021-2022学年八年级上学期期末数学试题(已下线)第一次月考押题预测卷(考试范围:第1-2章)-2022-2023学年八年级数学上册课后培优分级练(苏科版)江苏省泰州市姜堰区四校联考2022-2023学年八年级上学期10月数学试题
更新时间:2022-07-22 14:16:52
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