在已知点M(3,﹣4),在x轴上有一点与M的距离为5,则该点的坐标为( )
A.(6,0) | B.(0,1) | C.(0,﹣8) | D.(6,0)或(0,0) |
更新时间:2014-03-12 22:51:20
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【推荐1】如图,
是
的直径,
为
的弦,且
于点
,点
为圆上一点,若
,
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2021/4/17/2701830450692096/2703825730134016/STEM/71e8c41a72f946f4aa716aa9dc57e1b7.png?resizew=150)
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A.![]() | B.![]() | C.4 | D.5 |
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【推荐2】如图,是
的弦,半径
于点
,连接
并延长,交
于点
,连接
,
.若
,
,则
的面积为( )
A.![]() | B.![]() | C. ![]() | D. ![]() |
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