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1 . 如图,已知三棱锥
的底面是等腰直角三角形,且
,侧面
底面
,
,则这个三棱锥的三视图中标注的尺寸
,
,
分别是( )
![](https://img.xkw.com/dksih/QBM/2017/11/3/1809205152620544/1809809239973888/STEM/32f527ad24f14b83b0a04d8f1241ab3c.png?resizew=160)
![](https://img.xkw.com/dksih/QBM/2017/11/3/1809205152620544/1809809239973888/STEM/814654de526c4508820ada1542b9605f.png?resizew=170)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfdb6a8faa47e25330c0cbd0c07798a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://img.xkw.com/dksih/QBM/2017/11/3/1809205152620544/1809809239973888/STEM/32f527ad24f14b83b0a04d8f1241ab3c.png?resizew=160)
![](https://img.xkw.com/dksih/QBM/2017/11/3/1809205152620544/1809809239973888/STEM/814654de526c4508820ada1542b9605f.png?resizew=170)
A.![]() ![]() ![]() | B.![]() ![]() ![]() | C.![]() ![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
2017-11-04更新
|
935次组卷
|
3卷引用:2016-2017学年河南省豫南九校高一下学期期中联考数学试卷
2 . 如图,在一个正方体内放入两个半径不相等的球
,这两个球相外切,且球
与正方体共顶点
的三个面相切,球
与正方体共顶点
的三个面相切,则两球在正方体的面
上的正投影是( )
![](https://img.xkw.com/dksih/QBM/2015/3/24/1572024146386944/1572024152080384/STEM/019b5985fa5245aa9cc538fb8d365c2c.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d096cd7bd8a5a2219fd7dd166bbb8460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://img.xkw.com/dksih/QBM/2015/3/24/1572024146386944/1572024152080384/STEM/019b5985fa5245aa9cc538fb8d365c2c.png?resizew=189)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2015-12-24更新
|
1124次组卷
|
11卷引用:2014-2015学年河北省望都中学高一5月月考数学试卷
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