1 . 用平行于棱锥底面的平面去截棱锥,把底面和截面之间的那部分多面体叫做棱台.在正三棱台
中,侧棱
,则侧棱
与底面ABC所成角的正弦值为_____________ ,该三棱台的体积为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944f00d2d962252c286827fd47b4b978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
您最近一年使用:0次
解题方法
2 . 已知点S,A,B,C均在半径为4的球O的表面上,且
平面
,
,
,
,点M在
上,当直线
与平面
所成的角最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1039601edd7326b628a3201a3d4af948.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c83f8945042b9c8fb2fbdac9308d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a0b15556a1584c1b6b2768bbc9cbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8789dc2754f640b694dbfa59934d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fddbb7f29e8672f34941fe70b0a1e45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1039601edd7326b628a3201a3d4af948.png)
您最近一年使用:0次
解题方法
3 . 将一个直角三角板放置在桌面上方,如图,记直角三角板为
,其中
,记桌面为平面
.若
,且
与平面
所成的角为
,则点
到平面
的距离的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939181e4845b1fbdcae29c099e7e47f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cc2f3dcb248fc764614be3a9ddd25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
名校
解题方法
4 . 在三棱锥
中,已知
平面OAB,
,
,
与平面
所成的角为
,
与平面
所成的角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2979f64c85f82d8975d73ee1c342de.png)
______ .(用角度表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f295b4cea748d54d119819c77b6199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13f4ab3d31f8e7732c05f13792458c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4630b9ca3d20635161fa8fbf812b9128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2979f64c85f82d8975d73ee1c342de.png)
您最近一年使用:0次
2024-05-02更新
|
362次组卷
|
4卷引用:第六章立体几何初步章末二十种常考题型归类(1)-【帮课堂】(北师大版2019必修第二册)
(已下线)第六章立体几何初步章末二十种常考题型归类(1)-【帮课堂】(北师大版2019必修第二册)河南省开封市五校(杞县高中等)2023-2024学年高一下学期4月期中联考数学试题河南省周口市鹿邑县第二高级中学校2023-2024学年高一下学期月考测试(三)(6月)数学试题河北省沧州市部分学校2023-2024学年高一下学期5月联考数学试题
名校
5 . 已知表面积为
的球O的内接正四棱台
,
,
,动点P在
内部及其边界上运动,则直线BP与平面
所成角的正弦值的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d80f16c3278cd252725625dcf253cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54638dd4ebf19815a1333d84e42f927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1335dec9b6a1dcc7b18f7b3989c4cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
您最近一年使用:0次
2024-03-14更新
|
1173次组卷
|
4卷引用:8.6.2 直线与平面垂直【第三练】“上好三节课,做好三套题“高中数学素养晋级之路
(已下线)8.6.2 直线与平面垂直【第三练】“上好三节课,做好三套题“高中数学素养晋级之路广东省燕博园2024届高三下学期3月综合能力测试(CAT联考)数学试题广东省佛山市南海西樵高级中学2024届高三下学期3月综合能力测试数学试题重庆市西南大学附属中学校2023-2024学年高三下学期全真模拟集训(一)数学试题
6 . 在正三棱柱
中,
,点
为棱
的中点,则直线
与平面
夹角的正弦值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
您最近一年使用:0次
解题方法
7 . 已知高为2的圆锥内接于球O,球O的体积为
,设圆锥顶点为P,平面
为经过圆锥顶点的平面,且与直线
所成角为
,设平面
截球O和圆锥所得的截面面积分别为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a39f04d1c3551403dbbed35deb01232.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c176877b59cd7c34fcc0838b05493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a39f04d1c3551403dbbed35deb01232.png)
您最近一年使用:0次
2024-01-26更新
|
1376次组卷
|
4卷引用:重难点6-2 空间几何体的交线与截面问题(8题型+满分技巧+限时检测)
(已下线)重难点6-2 空间几何体的交线与截面问题(8题型+满分技巧+限时检测)(已下线)数学(新高考卷01,新题型结构)浙江省宁波市余姚市2024届高三上学期期末数学试题宁夏吴忠市2024届高三下学期高考模拟联考(一)理科数学试题
解题方法
8 . 在三棱柱
中,
平面
,
为正三角形,
,则
与平面
所成角的正切值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565517c781e119de8d8e9c9f29e4e2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f664c0db517bec6886ff0b6100fd474.png)
您最近一年使用:0次
2023-12-15更新
|
598次组卷
|
5卷引用:第12讲 8.6.2直线与平面垂直的判定定理(第1课时)-【帮课堂】(人教A版2019必修第二册)
(已下线)第12讲 8.6.2直线与平面垂直的判定定理(第1课时)-【帮课堂】(人教A版2019必修第二册)(已下线)13.2.3 直线与平面的位置关系(2)-【帮课堂】(苏教版2019必修第二册)四川省达州外国语学校2023-2024学年高二上学期11月月考数学试卷8.6.2直线与平面垂直练习(已下线)【北京专用】高一下学期期末模拟测试A卷
名校
解题方法
9 . 过正三棱锥
的高
的中点作平行于底面
的截面
,若三棱锥
与三棱台
的表面积之比为
,则直线
与底面
所成角的正切值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c117ff1623684173352cf7271248239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a954eb4370c2aa523f327bf1e6a5e2f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2023-11-17更新
|
494次组卷
|
3卷引用:专题06 空间向量与立体几何
解题方法
10 . 在四棱锥
中,已知
平面
,底面四边形
是正方形,
,直线
与平面
所成角的正切值是
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4506d27656f9009b41c6d2fe44b47e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4506d27656f9009b41c6d2fe44b47e.png)
您最近一年使用:0次