2024高一下·全国·专题练习
解题方法
1 . 判断正误,正确的填“正确”,错误的填“错误”.
(1)若两个平面垂直,则两个平面内任意两条直线互相垂直.( )
(2)若平面α⊥平面β,且直线
,则直线b垂直于平面β内的无数条直线.( )
(3)若平面α⊥平面β,
,
,则
. ( )
(1)若两个平面垂直,则两个平面内任意两条直线互相垂直.
(2)若平面α⊥平面β,且直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e076b91a9178217532e11c496400e8a.png)
(3)若平面α⊥平面β,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b633ff8a24eb88c1cc1dacca12b646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f3aca2f1993d5e94255454c5f82a57.png)
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