名校
解题方法
1 . 已知
是圆柱
下底面圆
的直径,
是下底面圆
上一点,
是圆柱的母线,且
,则点
到平面
的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0da5f243d572601079af407d62c849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf97d120b99a2ee95526fc57d0ce49f.png)
您最近一年使用:0次
解题方法
2 . 已知直线AB的方向向量为
,平面
的法向量为
,给出下列命题:
①若
则直线
.
②若
,则直线
.
③记直线AB与平面
所成角的为
,则
.
④若
,
,则点C到平面
的距离
.
其中真命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37564ec4e9e92485f1769e8ffaac31d.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb0cf2f475d1997eeadb34a641867b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e9d54d3d190344220764707d610d99.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04cb6cc85e97e48b2bbbd4296eb063d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398a7cdc39e756d8f7f7ee1185579b37.png)
③记直线AB与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2c838e7828b13e56756fb13ad65a57.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb0b6de90bb936cdb09629123100145d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83992dbcfd85857013c22f6557efc0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca18e4b6d9c6f826b06afbe4f28c8d6.png)
其中真命题的个数是( )
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
2022-11-25更新
|
445次组卷
|
4卷引用:河南省洛阳市2022-2023学年高二上学期期中数学理科试题
河南省洛阳市2022-2023学年高二上学期期中数学理科试题河南省洛阳市2022-2023学年高二上学期期中考试数学(文科)试题(已下线)6.3.4空间距离的计算(3)(已下线)2.4.4 向量与距离(同步练习)-【素养提升—课时练】2022-2023学年高二数学湘教版选择性必修第二册检测(提高篇)