如图所示是某房屋顶框架的示意图,其中
,
,
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/e91b99d8-9ccc-4cb6-9cda-9e3535d9753d.png?resizew=214)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2487d8e64b59bc49c2278c9f69654ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/e91b99d8-9ccc-4cb6-9cda-9e3535d9753d.png?resizew=214)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-11-26 21:47:47
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相似题推荐
单选题
|
较易
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【推荐1】如图,在
中,
,
,
,动点P在BC边上,则AP的长不可能是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/24/a4ae41a6-1421-4a14-8983-2d13992f85ee.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/24/a4ae41a6-1421-4a14-8983-2d13992f85ee.png?resizew=162)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
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【推荐2】如图,
中,
,
,
是
角平分线,若
,则线段
的长为( )
![](https://img.xkw.com/dksih/QBM/2023/4/28/3226321234968576/3229193923944448/STEM/1b5be79eecd6491cbecb71230bddf20d.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e240a6378adf6d23ebf9cc710c9bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://img.xkw.com/dksih/QBM/2023/4/28/3226321234968576/3229193923944448/STEM/1b5be79eecd6491cbecb71230bddf20d.png?resizew=188)
A.1 | B.![]() | C.2 | D.3 |
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【推荐1】如图,在△ABC中,AB=AC=10,在AB,AC上分别截取AP,AQ,使AP=AQ,再分别以点P,Q为圆心,以大于
的长为半径作弧,两弧在∠BAC内交于点R,作射线AR,交BC于点D.若∠BAC=60°,则AD的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/8/f42869ca-5f3b-4c61-889f-c8a52b98343f.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e34652865d75f195cfe551b3fcf41bc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/8/f42869ca-5f3b-4c61-889f-c8a52b98343f.png?resizew=175)
A.5 | B.6 | C.![]() | D.![]() |
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