若线段c满足
,且线段a
4 cm,b
9 cm,则线段c
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6e7eff048e87f77dd3009b2e5ee2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7081ac76e5ac1e22e848eec143578f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7081ac76e5ac1e22e848eec143578f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7081ac76e5ac1e22e848eec143578f1c.png)
A.6 cm | B.7 cm | C.8 cm | D.9 cm |
20-21九年级上·湖南永州·期末 查看更多[2]
更新时间:2021-04-16 16:01:30
|
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单选题
|
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【推荐1】已知线段a、b,如果
,那么下列各式中一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25bc9520ac489f33d05593e0b35d26a.png)
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,在
中,
、
、
分别是
、
、
上一点,
,
,
,
,则
( )cm.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/a5e43694-f69b-498d-a801-30f4466db959.png?resizew=208)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c197d8b99f2eb7477947e53461b5d548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f71c315cf2479a943cee9c99dfe97f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30f2ee280b93cdeb3bcbfa7af980fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f79997547fb75e88ad1e2c66989a4a0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/a5e43694-f69b-498d-a801-30f4466db959.png?resizew=208)
A.12 | B.15 | C.18 | D.21 |
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