名校
1 . 如图所示,在四棱锥
中,
,
,
,
为正三角形.
在平面
上的射影
为
的外心(外接圆的圆心);
(2)当二面角
为
时,求直线
与平面
所成角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08062a925efb07c38a229b8628e3b41f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
(2)当二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d399d731913a563e291b817831a0c678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745e0525a41fe2e2a7739c75a942290b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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3卷引用:陕西省西安市第一中学2023-2024学年高三下学期高考考前模拟考试理科数学试题
名校
2 . 在长方体
中,
与平面
所成的角为
与
所成的角为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b77cc3aef2763547eb20c7f0610c65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:陕西省西安市第一中学2023-2024学年高三下学期高考考前模拟考试理科数学试题
陕西省西安市第一中学2023-2024学年高三下学期高考考前模拟考试理科数学试题2024届河南省名校联盟考前模拟大联考三模数学试题河南省濮阳市2024届高三第三次模拟考试数学试题(已下线)专题06 空间角、距离的计算-期末考点大串讲(苏教版(2019))(已下线)必考考点7 立体几何中角和距离 专题讲解 (期末考试必考的10大核心考点)
解题方法
3 . 如图,正三棱柱
的底面边长是2,侧棱长是
,
为
的中点,
是侧面
内的动点,且
平面
,则点
的轨迹的长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea848cd2aa3a464618020475097949fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.![]() | B.2 | C.![]() | D.4 |
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名校
4 . 如图所示,在六面体ABEDC中,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93cc37535db8470514d5f4498646b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6dfeb7c38775d7a118d23a667a171b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d60f139c4b98bdc25786b1616b0bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5277fa450a0c513a86a74420f8ee99f6.png)
A.1 | B.3 | C.![]() | D.4 |
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名校
解题方法
5 . 黄地绿彩云龙纹盘是收藏于中国国家博物馆的一件明代国宝级瓷器.该龙纹盘敞口,弧壁,广底,圈足.器内施白釉,外壁以黄釉为地,刻云龙纹并填绿彩,美不胜收.黄地绿彩云龙纹盘可近似看作是圆台和圆柱的组合体,其口径
,足径
,高
,其中底部圆柱高
,则黄地绿彩云龙纹盘的侧面积约为( )(附:
的值取3,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aaeb477cd86aa9d07143a33fda16df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed3de5a623b64ff74650fa0a745f2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8235c3f0deb46145b3c09a4b0076f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a27a670a3cf2ea69157d39c8e9c27d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76d313f3950843b0a188eec2f945b95.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
6 . 三棱锥
中,
,且
两两垂直.设三棱锥
的外接球和内切球的表面积分别为
和
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bccf7f2ab49f7615b72b6312ec58898f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b4c1ae9c57d51e27bbdb001122d3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bb1063e139610045f3bca5ca0b2766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfed7c5c9bcfcad494834d43a17fdb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d201c61dcba1051e424e9051efaa589d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bccf7f2ab49f7615b72b6312ec58898f.png)
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解题方法
7 . 如图,四边形
是圆柱的轴截面,
是底面圆周上异于
,
的一点,则下面结论中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() |
B.![]() ![]() |
C.平面![]() ![]() |
D.![]() ![]() |
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2卷引用:陕西省洛南中学2024届高三第十次模拟考试理科数学试题
名校
解题方法
8 . 已知四棱锥
如图所示,其中四边形
为梯形,
为等边三角形,且
平面
,
平面
,M为棱
的中点,
.
平面
;
(2)求点M到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e49817548cb45b3d1e58570644c6fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0d498777857734b8ab78923e6f28d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0457394ce4f2dc8d940c565c94dcf557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
(2)求点M到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d923a338dd2d2e29336b42574d38448.png)
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解题方法
9 . 已知正三棱锥
的侧棱与底面边长的比值为
,若三棱锥
外接球的表面积为
,则三棱锥
的高为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1becb8519611369cdc7e3c01566d993b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
A.1 | B.![]() | C.![]() | D.![]() |
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5卷引用:2024届陕西省榆林市高三三模理数试题
2024届陕西省榆林市高三三模理数试题(已下线)6.6.3 球的表面积和体积-同步精品课堂(北师大版2019必修第二册)(已下线)高一下学期期末考试01(范围:三角函数+必修第二册)-重难点突破及混淆易错规避(人教A版2019必修第二册)(已下线)核心考点6 立体几何中组合体 B提升卷 (高一期末考试必考的10大核心考点) 四川省仁寿第一中学校(北校区)2023-2024学年高一下学期5月期中质量检测数学试题
解题方法
10 . 如图,在斜四棱柱
中,底面正方形
的中心是
,且
为顶点
在底面
的投影.
平面
;
(2)若该四棱柱的所有棱长均为1,求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4279e236b371a908e6ff50553832409f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
(2)若该四棱柱的所有棱长均为1,求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85918d899b91e4914d55c31c89e8f708.png)
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