A:(﹣∞,2)
B:(﹣2,6)
C:(6,+∞)
D:(﹣1,5)
It is dangerous for teenagers to give out too much about themselves on the Internet.
如图,Rt△ABC绕O点逆时针旋转90°得Rt△BDE,其中∠ABD=∠ACB=∠BED=90°,AC=3,DE=5,则OC的长为( )
请结合图表完成下列各题: