某几何体的三视图如图所示,则该几何体的表面积为( )
![](https://img.xkw.com/dksih/QBM/2022/4/8/2953759700819968/2955692811362304/STEM/14397bc5-8762-4f69-9242-b80fcaf98f21.png?resizew=138)
![](https://img.xkw.com/dksih/QBM/2022/4/8/2953759700819968/2955692811362304/STEM/14397bc5-8762-4f69-9242-b80fcaf98f21.png?resizew=138)
A.15![]() | B.22![]() | C.21![]() | D.24![]() |
更新时间:2022-04-11 08:35:19
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【推荐1】如图是某几何体的三视图及相关数据,则该几何体的表面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/aef1dc8d-edb7-49d3-8115-787950761645.png?resizew=333)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/aef1dc8d-edb7-49d3-8115-787950761645.png?resizew=333)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】一个六梭柱模型如图所示,它的底面边长都是
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A.120 | B.20 | C.100 | D.150 |
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【推荐1】如图,
是半圆O的直径,C,D是半圆上两点,且满足
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/8ecb6c84-04d4-4d55-97c2-d30c22e6db05.png?resizew=132)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在扇形纸片
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【推荐1】一个圆锥的高为4cm,底面圆的半径为3cm,则这个圆锥的侧面积为( )
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【推荐2】
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【推荐1】某几何体的三视图如图所示,该几何体是( )
![](https://img.xkw.com/dksih/QBM/2021/7/13/2763261939138560/2799644888473600/STEM/dc37a41a04fa4ba9adf5fc747d90dc35.png?resizew=145)
![](https://img.xkw.com/dksih/QBM/2021/7/13/2763261939138560/2799644888473600/STEM/dc37a41a04fa4ba9adf5fc747d90dc35.png?resizew=145)
A.圆锥 | B.圆柱 | C.三棱柱 | D.正方体 |
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【推荐2】如图是一个几何体的三视图,则此几何体是( )
![](https://img.xkw.com/dksih/QBM/2019/5/30/2214665171099648/2215385604472832/STEM/28f2a73eec8a42fbbeb15bcb9cd2b8c4.png?resizew=234)
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