如图,
为
的割线,且
,
交
于点
,若
,则
的半径的长为( )
![](https://img.xkw.com/dksih/QBM/2018/9/25/2040004328546304/2044264572706816/STEM/16fcb78e4cac436189eb4f837382468d.png?resizew=106)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da035673ef0edcfae6b72fb5e5ba34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06008c6beb3f71fc6c9670d0e405a827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73be30f639b301cf797d6e8d04a568d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75fa8b0e825e3877045c295e35518591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://img.xkw.com/dksih/QBM/2018/9/25/2040004328546304/2044264572706816/STEM/16fcb78e4cac436189eb4f837382468d.png?resizew=106)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2018-10-03 23:38:34
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,
、
、
分别切
于点
、
、
,
分别交
、
于点
、
,下列关系:①
;②
;③
和
互补;④
的周长是线段
长度的
倍.则其中说法正确的有( )
![](https://img.xkw.com/dksih/QBM/2018/10/20/2057653711822848/2064787901194240/STEM/8057e167e97c489797f3204ae9933377.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e61620a272dada8d4b9a9fab6379dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e61620a272dada8d4b9a9fab6379dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e5641c2b9c38884498a4e85778c012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b0bfee1b54956a6c4f88cdd2c9c0ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f955c643b4d20fae0626b0796e3b077c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c13bef6c977cb067aafc8dc66d615ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dc26d4912a7f0b94a965550b064eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/2018/10/20/2057653711822848/2064787901194240/STEM/8057e167e97c489797f3204ae9933377.png?resizew=150)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,
分别切
于
两点,
切
于点E,交
于点
.若
的周长等于
,则线段
的长是( )
![](https://img.xkw.com/dksih/QBM/2022/2/22/2921834853687296/2937244521545728/STEM/a780ca8637c04f7d850f1f95b029787c.png?resizew=154)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e58e5a299e7b6b508c61244b93ae1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e58e5a299e7b6b508c61244b93ae1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa69fd8445d01c98634c2e885b47d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/2022/2/22/2921834853687296/2937244521545728/STEM/a780ca8637c04f7d850f1f95b029787c.png?resizew=154)
A.![]() | B.3 | C.![]() | D.![]() |
您最近一年使用:0次