名校
解题方法
1 . 已知空间三点
,
,
,
.
(1)求以
,
为邻边的平行四边形的面积;
(2)若D点在平面
上,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc332e0792bd16486a61c1658ccfecf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00932ea296bbcfc79a61e53e4d64b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb309e7396189da4645425f2ea697055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21a7ba16850aa3aff47d53ab5a7d45.png)
(1)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)若D点在平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
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2 . 已知向量
.
(1)求
;
(2)若向量
与向量
共面,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8feb8d57eb5b58f06419b8a71c67894.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596a3ee5d8473fc6619ea7730e13325b.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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3 . 如图,在边长为3的正方体
中,点P,Q,R分别在AB,
,
上,且AP=
=1,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3db1494a1d927f971490c18a54cbcce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/17e95837-2109-42e4-9ca2-227096bfdce4.png?resizew=197)
(1)求点D到平面PQR的距离
(2)判断点N是否在平面PQR内,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3334853138fb74687d66b1e45f2fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d105ed140e47249d237dbdfda67ef131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3db1494a1d927f971490c18a54cbcce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/17e95837-2109-42e4-9ca2-227096bfdce4.png?resizew=197)
(1)求点D到平面PQR的距离
(2)判断点N是否在平面PQR内,并证明你的结论.
您最近一年使用:0次
2022-01-09更新
|
248次组卷
|
2卷引用:福建省泉州市2021-2022学年高二上学期期中联考数学试题
4 . 已知空间中三点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b689f1ca95aa564df552377f287d7cb7.png)
(1)求
的面积;
(2)若点
在
三点确定的平面内,求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b689f1ca95aa564df552377f287d7cb7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9952d46931a57a0afdfce610425244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
您最近一年使用:0次
2021-10-14更新
|
249次组卷
|
3卷引用:福建省2021-2022学年高二10月联考数学试题
名校
5 . 已知空间中三点
,
,
,设
,
.
(1)若
,且
,求向量
;
(2)已知向量
与
互相垂直,求
的值;
(3)若点
在平面
上,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5e428213f946350934bc876fba5514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daca2df16b221585c93109fd17bc1b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92ecb2412db3b9143c500555c2a0ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bad658e33513bf106d1d6bda984d07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194aa0f2aebeb41be06303f4977a7155.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd78df4d1bb3faf885b0dbfdffa6dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42e495553df9044a952d54bdde82416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41960bbc66bdc3b28be0138f83f9de5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f504623fad7409aa53c842ec25461da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-10-03更新
|
975次组卷
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8卷引用:福建省厦门大学附属科技中学2022-2023学年高二上学期10月月考数学试题
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