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平面内有相异的四点O、A、B、C,满足,则△ABC的形状是( ) A.等边三角形...
平面内有相异的四点O、A、B、C,满足
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100020169872707/SYS201311031000201698727005_ST/0.png)
,则△ABC的形状是( )
A.等边三角形
B.直角三角形
C.以BC为底边的等腰三角形
D.以AB为底边的等腰三角形
考点分析:
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