名校
解题方法
1 . 某三棱锥的三视图如图所示,则该三棱锥外接球的表面积为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/294eb4f1-ba34-4bc4-a879-ceeeae0f5150.png?resizew=216)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/294eb4f1-ba34-4bc4-a879-ceeeae0f5150.png?resizew=216)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-06-18更新
|
1355次组卷
|
2卷引用:四川省广元市2019-2020学年高一(下)期末数学试题
名校
解题方法
2 . 已知正三棱锥
内接于球
,三棱锥
的体积为
,且
,则球
的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5227abee7f621734e37101c6a827b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc5309a02ca23109777d32468e6384b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-01-20更新
|
1218次组卷
|
9卷引用:四川省广元市高2018届高三第二次高考适应性统考文科数学试题
3 . 体积为
的球面上有
三点,
,
,
两点的球面距离为
,则球心到平面
的距离为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2eb9837d18069575f16397d175a6a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f144992e1cbee34868abce1e5ad38c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5d2f9b48d6089c071cca7967792c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2016-11-30更新
|
1447次组卷
|
9卷引用:四川省广元市宝轮中学2022-2023学年高一上学期第一次月考数学试题
四川省广元市宝轮中学2022-2023学年高一上学期第一次月考数学试题2008年普通高等学校招生全国统一考试理科数学(辽宁卷)2008年普通高等学校招生全国统一考试辽宁卷数学(已下线)上海市普陀区高三数学高考临考自测练习卷(已下线)2011届云南省昆明市一中高三第三次月考文科数学试卷辽宁省实验中学分校2016-2017学年高二下学期期末考试数学(文)试题湖南省邵阳市洞口县第一中学2018届高三上学期第一次月考文科数学试题2008年普通高等学校招生考试数学(文)试题(辽宁卷)2008年普通高等学校招生考试数学(理)试题(辽宁卷)
解题方法
4 . 如图,在矩形
中,
,
为边
的中点,以
为折痕把
折起,使点
到达点
的位置,且使平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/509b4245-a300-487e-a522-157cc0cc24d3.png?resizew=249)
(1)证明:
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80f51c31583fea58fde645474d60b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c3c8bf858c13b295de56e548116db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c505f9d4513028bb16e274aae96cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/509b4245-a300-487e-a522-157cc0cc24d3.png?resizew=249)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaef9e92d148afff22761d5e027d3ee.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec13727470aa1196755308d6232abfc.png)
您最近一年使用:0次
2020-06-14更新
|
431次组卷
|
2卷引用:四川省广元市高2020届第三次高考适应性统考数学(文科)试题
名校
解题方法
5 . 如图,在三棱锥
中,平面
平面
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/7/26/2772274677424128/2774663640260608/STEM/3f734ec70364442380cc69b65e4b385b.png?resizew=244)
(1)求证
;
(2)求四面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfe0ccf24d760c77535a70c92dad145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0423c674207216397dde032c17816696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66cef506a91c5e28723f6f19895c27b.png)
![](https://img.xkw.com/dksih/QBM/2021/7/26/2772274677424128/2774663640260608/STEM/3f734ec70364442380cc69b65e4b385b.png?resizew=244)
(1)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5ea309886e947ea7cb4b81716206fd.png)
(2)求四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6d7e887348f80fda1e157e0222573d.png)
您最近一年使用:0次
2021-07-29更新
|
235次组卷
|
2卷引用:四川省广元市2020-2021学年高二下学期期末数学(文科)试题
解题方法
6 . 某多面体的三视图如图所示,则该几何体的体积与其外接球的表面积之比为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/ccd3154d-cf91-4c2b-9af7-2559032c8493.png?resizew=231)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/ccd3154d-cf91-4c2b-9af7-2559032c8493.png?resizew=231)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-08-27更新
|
490次组卷
|
2卷引用:【市级联考】四川省广元市2019届高三第一次高考适应性统考数学试题(理工类)
7 . 如图,二面角
满足半平面
,半平面
内有一点
(不在
上),半平面
内有一点
(不在
上),
在直线
的射影分别为
(
不重合),
,
,则三棱锥
外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def26b3c1c08356f8fa49c85fe19476b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9ad150cb1e4cd8977d4cc3d99be17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://img.xkw.com/dksih/QBM/2020/6/12/2482829240188928/2484373785477120/STEM/fdb69f5e9e8d422993d8dec0ba8ee47e.png?resizew=246)
您最近一年使用:0次
解题方法
8 . 如图,二面角
的大小为
,半平面
内有一点
(不在
上),半平面
内有一点
(不在
上),
在直线
上的射影分别为
(
不重合),
,
,则三棱锥
外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def26b3c1c08356f8fa49c85fe19476b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9ad150cb1e4cd8977d4cc3d99be17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/e7bbd26d-321b-4f14-825d-331c0d472d67.png?resizew=175)
您最近一年使用:0次
9 . 若三棱锥P﹣ABC的底面边长与侧棱长都是3,则它的内切球的表面积为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 如图某几何体的三视图是直角边长为1的三个等腰直角三角形,则该几何体的外接球的表面积为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/f4f21433-3dd9-47dc-81f1-edf8e612f643.png?resizew=329)
您最近一年使用:0次
2019-01-11更新
|
302次组卷
|
2卷引用:【市级联考】四川省广元市高三2019届第一次高考适应性统考数学试题