题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082027-81492.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
该几何体是以侧视图为底面的一个棱柱
由于其底面为梯形,由已知易得梯形的下底长为2
则S底面积=
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082028-63902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082028-67462.png)
则该几何体的表面积S=2×
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082028-67462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082028-26318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082028-26318.png)
该几何体的体积V=
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082028-67462.png)
故选C
核心考点
试题【一个几何体的三视图及长度数据如图, 则该几何体的表面积与体积分别为A.B.C.D.】;主要考察你对空间几何体的视图与直观图等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082022-43956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082015-38319.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082015-32429.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082015-39788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082015-94898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082015-39788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082015-43459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082016-53984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082016-49124.png)
如图,在三棱锥
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082005-76463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082005-53111.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082005-77780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082006-43894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082006-35939.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082006-16771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082006-30872.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082007-62232.jpg)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082007-85323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082007-23292.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082006-43894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082007-93531.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082007-96109.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021082007-23292.png)
如图,四棱锥P-ABCD中,PA⊥平面ABCD,PA=AB=BC=2,E为PA的中点,过E作平行于底面的平面EFGH,分别与另外三条侧棱相交于点F、G、H. 已知底面ABCD为直角梯形,AD∥BC,AB⊥AD,∠BCD=135°.
(1)求异面直线AF与BG所成的角的大小;
(2)求平面APB与平面CPD所成的锐二面角的余弦值
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081958-52864.png)
如图,在梯形
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081943-63893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081943-87234.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081943-76495.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081943-46512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081943-86751.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081943-38416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081943-63893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-74672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-30694.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-96725.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-48388.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-92728.png)
(1)求证:平面BCF⊥平面ACFE;
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-18702.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-91417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021081944-88780.png)
最新试题
- 1住房关乎民生。近年来,我国房价上涨过快已严重影响了人们的生活。针对部分城市商品房价格过快上涨的情况,我国加大了对楼市的调
- 2两物体A、B的质量关系是mA>mB,让它们从同一高度同时开始下落,运动中它们受到的阻力大小相等,则( )A.两物体的
- 35.The little kid can help himself _____ his favorite toys.A.
- 4平等,是人类永恒的追求。下列关于平等的表述有误的是[ ]A、人与人之间的平等以生命的平等为基础 B、人人生而
- 5在下列各溶液中,离子一定能大量共存的是A.强碱性溶液中:K+、Al3+、Cl-、SO42-B.含有0.1 mol·L-1
- 6如图,边长为0.1m的正方体金属块恰有一半放在面积为1m2的水平桌面上,当弹簧测力计的示数为10N时,若此金属块的密度为
- 7北宋东京城里的娱乐兼商业的场所是[ ]A. 市B. 坊C. 瓦子D. 相国寺
- 8请仔细阅读题中的学生情况说明,从A—F中选出能解决他们问题的恰当建议。(有一项多余)A.Emily often feel
- 9Students build up their vocabularies by of reading m
- 10如图所示为一小球做平抛运动的闪光照片的一部分,图中背景方格的边长均为2.5厘米,那么照片的闪光频率为______Hz;小
热门考点
- 1I enjoy watching FIFA World Cup. A football match between Br
- 2学贵有疑。“疑者,觉悟之机也。一番觉悟,一番长进。”对此理解正确的是A.否定的过程就是发展的过程B.要在绝对不相容的对立
- 3下列作家、作品、朝代连线对应不正确的一项是[ ]A.《归园田居》——陶渊明——晋代B.《游山西村》——陆游——南
- 4如图,BE∥AO,∠1=∠2,OE⊥OA于点O,EH⊥CO于点H,那么∠5=∠6,为什么?
- 5来宾等地的“螺蛳粉”远近闻名,行人在粉摊远处就能闻到一股香味,这是由于[ ]A.分子的体积很小B.分子不停地运动
- 6小强同学分别取溶质质量分数相同的稀盐酸,大小、形状都相同的某种金属X、Al、Cu 进行实验,实验现象记录如下: AlX
- 7把一长方形的纸条按图所示折叠,若量得∠B"OG=70°,则∠AOB"的度数为( )。
- 8根据句子要求, 用括号中词的正确形式填空,并将答案写在答题纸相应题号的横线上。小题1:Mum asked childre
- 9太阳光穿过树林会在地上形成圆形的光斑,这一现象是由于光的______产生的.小明将平面镜移近自己的脸,他的脸在镜中的像将
- 10将I与II栏中相互有联系的内容用直线连接起来.I栏II栏A.大气中二氧化碳含量增大B.阻止污染,对环境友好C.废塑料袋、