名校
1 . 如图,长方体
中,
,E在棱
上且
,在平面
内过点E作直线l,使得
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/a2343071-3812-4c53-982a-0f6e1267e406.png?resizew=208)
(1)在图中画出直线l并说明理由;
(2)若
,且直线
,求点P到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010a32eb621302fe4a397f7a667d5071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf22706a4a5161683115d40c4a810c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c5c1789cab66ecf8d5b17216d43c96.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/a2343071-3812-4c53-982a-0f6e1267e406.png?resizew=208)
(1)在图中画出直线l并说明理由;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed9bcdfadbc0f7bf80a5e5baa2102bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2af03e059bc4c499c07d0130a4e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
您最近一年使用:0次
名校
解题方法
2 . 如图,网格纸上小正方形的边长为1,粗实线画出的是某多面体的三视图,则该多面体的各面中,面积最大的面的面积为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/4286be90-1aa6-46ef-865e-58b9fe577d59.png?resizew=163)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/4286be90-1aa6-46ef-865e-58b9fe577d59.png?resizew=163)
A.6 | B.![]() | C.![]() | D.4 |
您最近一年使用:0次
2020-02-28更新
|
253次组卷
|
2卷引用:2020届广东省深圳市罗湖区高三上学期期末质量检测数学文科试题