在△ABC中,
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824013826399821.png)
,那么△ABC一定是( )
A.銳角三角形 | B.直角三角形 |
C.等腰三角形 | D.等腰三角形或直角三角形 |
試題分析:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408240138264302947.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408240138264461912.png)
,所以△ABC一定是等腰三角形或直角三角形.
點評:解決本小題的過程中,不要漏掉
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824013826461627.png)
造成漏解.
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