在
中,
,
,
的对边分别是a,b,c.下列条件中,不能判定
是直角三角形的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-09-04 14:24:03
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【推荐1】如图,在
中,
是
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,将ABCD沿对角线AC折叠,使点B落在
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/23/40055fbb-0ecd-474d-8a0a-7d84d21aa390.png?resizew=187)
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A.66° | B.104° | C.111° | D.124° |
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名校
【推荐1】
三边分别为a,b,c,在下列条件中,不能判定
为直角三角形的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
(0.85)
【推荐2】下列命题:①当
取正整数时,
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;③如果
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;④以8,15,19为边长的三角形是直角三角形.是真命题的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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