四棱锥
中,底面
为矩形,
平面
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/2021/9/27/2817376822771712/2824767928164352/STEM/f99aa6d9c7be4292a4771462f4c1ade7.png?resizew=182)
(1)证明:
平面
;
(2)设
,
,求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/2021/9/27/2817376822771712/2824767928164352/STEM/f99aa6d9c7be4292a4771462f4c1ade7.png?resizew=182)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30067b7b236d17af8a462f96a58d11bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbeebf4871df8fd4f5be3aab6f94faea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
21-22高二上·上海徐汇·阶段练习 查看更多[4]
上海市徐汇中学2021-2022学年高二上学期9月月考数学试题四川省眉山市彭山区第一中学2021-2022学年高二上学期10月月考数学(理)试题(已下线)第04讲线线、线面、面面平行的判定与性质(核心考点讲与练)(3)上海市南汇中学2023-2024学年高二上学期期中数学试题
更新时间:2021-10-08 09:07:58
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相似题推荐
解答题-证明题
|
适中
(0.65)
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解题方法
【推荐1】如图,在四棱锥
中,已知底面
是菱形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/f1c00338-084e-41f9-9adf-c4efc02cafbb.png?resizew=170)
(1)若
,求证:平面
面
;
(2)设
为
的中点,且
,求证:
平面
,并求平面
与棱
的交点
的位置.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/f1c00338-084e-41f9-9adf-c4efc02cafbb.png?resizew=170)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d0710321d97361e5782124bbf7f0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c222223dae9ef27d4c132534d9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f073e958f93d0dac819b0ba20f8fc66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30067b7b236d17af8a462f96a58d11bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2e849754baf604fa48efe2c82657af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2e849754baf604fa48efe2c82657af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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解答题-证明题
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【推荐2】已知在多面体SP﹣ABCD中,底面ABCD为矩形,AB=PC=1,AD=AS=2,且AS∥CP且AS⊥面ABCD,E为BC的中点.
![](https://img.xkw.com/dksih/QBM/2017/11/14/1817108990369792/1817830971949056/STEM/3ac10f31e68d496ea1f423e050a5fe9c.png?resizew=193)
(1)求证:AE∥面SPD;
(2)求三棱锥S-BPD的体积.
![](https://img.xkw.com/dksih/QBM/2017/11/14/1817108990369792/1817830971949056/STEM/3ac10f31e68d496ea1f423e050a5fe9c.png?resizew=193)
(1)求证:AE∥面SPD;
(2)求三棱锥S-BPD的体积.
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解答题-问答题
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【推荐1】如图,三棱台
中,平面
平面
,
.
的面积为1,
⊥
且
与底面
所成角为
.
(1)求A到平面
的距离;
(2)求面
与面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8783bc74553bf44b61d999a0e4144bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96541f39f3f1feb7902b9457db1a5171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d3f5f4c4419913c1232b7aae03ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2873cc55831ef240c0e172cf89ae29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0005e1ef60f6ddc5f9a83e3de1ef3b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d387d228f512ada68fc79c9d5775b077.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/6568f5b4-ab49-4e16-ada8-fa5345ab5a7d.png?resizew=154)
(1)求A到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d3f5f4c4419913c1232b7aae03ade.png)
(2)求面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1776d156423ea523de87fbca6c0b6019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176b7beb3ee58b075801d6d7f6af1a4f.png)
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【推荐2】如图,已知三棱柱
的所有棱长均为
,
,二面角
为
.
![](https://img.xkw.com/dksih/QBM/2021/7/7/2759221139734528/2779081402818560/STEM/2791e078a40346aeaaf610c22b76e497.png?resizew=291)
(1)求直线
与平面
所成的角;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7768503b1ad4775258b2f1a71c413086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea67423ce6963c0972867306169f17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://img.xkw.com/dksih/QBM/2021/7/7/2759221139734528/2779081402818560/STEM/2791e078a40346aeaaf610c22b76e497.png?resizew=291)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
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