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1 . 长方体
的同一顶点的三条棱长分别为3、4、5,则该长方体的外接球表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3490f2c22393e71edfbf594f6b3203b1.png)
您最近一年使用:0次
2018-12-11更新
|
666次组卷
|
2卷引用:【市级联考】四川省泸州市2017-2018学年高一下学期期末统一考试数学试题
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2 . 三棱柱
中,
,
、
、
,则该三棱柱
的外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a9ad711b25c36dae0c2a2cedff9954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ed1c6ded332731040f860a79c7189b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962ddfa6a45e5588279c2a93f142924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f656e1d1f68954e5f06de8958f6a9310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a9ad711b25c36dae0c2a2cedff9954.png)
A.4π | B.6π | C.8π | D.10π |
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3 . 如图,将边长为2,有一个锐角为60°的菱形
,沿着较短的对角线
对折,使得平面
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/9aa3c7ec4461402db5073a26decbee30.png?resizew=146)
(1)求证:![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/037245145a73401592c589191b8d776e.png?resizew=116)
(2)求三棱锥
的体积;
(3)求二面角
的余弦值.
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/41ca954a90c74b6586458a4e1a5d40c6.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/5ffb16b62c724b629d8ffc62dfc55f85.png?resizew=27)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a44298274c24a404f53c79f1237ffa2.png)
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/1f0f710a8f824fe38e757469f9caebf6.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/12b31cbc85cb4865ba39e3373f85cac9.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/9aa3c7ec4461402db5073a26decbee30.png?resizew=146)
(1)求证:
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750201323520/STEM/037245145a73401592c589191b8d776e.png?resizew=116)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ceb6d5778a6349ce60f273c1af56b82.png)
(3)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c49018000c2e91e38b872ff585077b9.png)
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4 . 如图所示,
为正方体,给出以下五个结论:
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750200963072/STEM/9ee23809017e48ffa3ba71dbde730d14.png?resizew=109)
①
平面
;
② 二面角
的正切值是
;
③
⊥平面
;
④
与底面
所成角的正切值是
;
其中,所有正确结论的序号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023045958844416/2040750200963072/STEM/9ee23809017e48ffa3ba71dbde730d14.png?resizew=109)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c44836da3b92c32f28a3065986a0cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46a65a58979cf48031af65b7e8a12e8.png)
② 二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee95fdc6dde314a200531a4d18689866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fc6e94d7b0ad5b787681b709f1e9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46a65a58979cf48031af65b7e8a12e8.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fc6e94d7b0ad5b787681b709f1e9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
其中,所有正确结论的序号为
您最近一年使用:0次
2018-09-26更新
|
744次组卷
|
3卷引用:四川省泸州市泸化中学2017-2018学年高一5月月考文科数学试题
四川省泸州市泸化中学2017-2018学年高一5月月考文科数学试题第13章:立体几何初步 - 基本图形及位置关系(B卷提升卷)- 2020-2021学年高一数学必修第二册同步单元AB卷(新教材苏教版)(已下线)狂刷37 空间角与距离-学易试题君之小题狂刷2020年高考数学(理)
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5 . 如图,将边长为2,有一个锐角为60°的菱形ABCD,沿着较短的对角线BD对折,使得
,O为BD的中点.
(Ⅰ)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3106dfb794bf42eecd4501316e0f6635.png)
(Ⅱ)求三棱锥
的体积;
(Ⅲ)求二面角A-BC-D的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09001fae2ecaf5412e79517d21944eee.png)
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3106dfb794bf42eecd4501316e0f6635.png)
(Ⅱ)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
(Ⅲ)求二面角A-BC-D的余弦值.
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023046008848384/2040132771799040/STEM/afcb8e6fdbb748cb9a38b01b8d9749d1.png?resizew=189)
您最近一年使用:0次
6 . 如图,四棱锥P-ABCD中,底面ABCD是矩形,AB=2AD=2,PD⊥底面ABCD,E,F分别为棱AB,PC的中点.
(1)求证:EF∥平面PAD;
(2)求证:平面PDE⊥平面PEC.
(1)求证:EF∥平面PAD;
(2)求证:平面PDE⊥平面PEC.
![](https://img.xkw.com/dksih/QBM/2018/9/1/2023046008848384/2040132771667968/STEM/e856f925243c4d379a286ae538f0ad51.png?resizew=214)
您最近一年使用:0次
2018-09-25更新
|
958次组卷
|
2卷引用:四川省泸州市泸化中学2017-2018学年高一5月月考理科数学试题
7 . 如图所示,
为正方体,给出以下五个结论:
①
平面
;
②
⊥平面
;
③
与底面
所成角的正切值是
;
④ 二面角
的正切值是
;
⑤ 过点
且与异面直线
和
均成70°角的直线有4条.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debdc6632a4877e5131d3da25cda8b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86eec8526479272d15bb3b171a46de0.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86eec8526479272d15bb3b171a46de0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
④ 二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52bd8b014ebd8b1cc34b66912b0b9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
⑤ 过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
其中,所有正确结论的序号为
您最近一年使用:0次
名校
8 . 三棱柱
中,
,
、
、
,则该三棱柱
的外接球的体积 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a9ad711b25c36dae0c2a2cedff9954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ed1c6ded332731040f860a79c7189b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c596aff6331566a0149449183c2024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a9ad711b25c36dae0c2a2cedff9954.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 设
,
是空间中不同的直线,
,
是不同的平面,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2018-09-25更新
|
545次组卷
|
3卷引用:四川省泸州市泸化中学2017-2018学年高一5月月考理科数学试题
名校
10 . 如图,
平面
,
,
,
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/2018/7/2/1979650087124992/1980375618846720/STEM/b8ea4144fd4b4d439fb11880d57d2517.png?resizew=252)
(Ⅰ)证明:
平面
;
(Ⅱ)求多面体
的体积;
(Ⅲ)求二面角
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689c065652544780be8b33ae92cbb6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aee33e4af8ef3bf5025d7e630abcfc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e975e7562572d24e6462e774f5fd491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1be17e0a3e51cde1f50f384198e71e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2018/7/2/1979650087124992/1980375618846720/STEM/b8ea4144fd4b4d439fb11880d57d2517.png?resizew=252)
(Ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64389deddcdd1b7fd68b4d67778a13da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
(Ⅱ)求多面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9beeedb7ddaac2cd3d37151d058ab7fb.png)
(Ⅲ)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370148e9147aa25c60a07ab4ad46e83d.png)
您最近一年使用:0次
2017-08-13更新
|
2062次组卷
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2卷引用:四川省泸州市2016-2017学年高一下学期期末考试数学试题