直角三角形中,两条直角边的边长分别为6和8,则斜边上的中线长是( )
A.10 | B.8 | C.6 | D.5 |
17-18八年级下·福建莆田·期末 查看更多[4]
更新时间:2019-03-03 22:45:13
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【推荐1】如图,在
中,
,
,
.若点P为直线BC上一点,且
为等腰三角形,则符合条件的点P有( ).
![](https://img.xkw.com/dksih/QBM/2022/3/19/2939647616770048/2945275028422656/STEM/66670395-adea-40aa-b362-7450f8361cd9.png?resizew=182)
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A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】如图,正方形
的边长为5,以
为圆心,2为半径作
,点
为
上的动点,连接
,并将
绕点
逆时针旋转
得到
,连接
,在点
运动的过程中,
长度的最大值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/c319a74e-3282-4eeb-8d3f-22070b99d133.png?resizew=146)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,正方形
的边长为8,点
在
边上,
,若点
在正方形的某一边上,满足
,且
与
的交点为
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的长度为( )
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A.2或![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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【推荐2】如图,在△ABC中,CD是AB边上的中线,AB=2CD,则△ABC是( )
![](https://img.xkw.com/dksih/QBM/2019/1/31/2130393811369984/2131393300176896/STEM/beaef4e5c3c04dea9842e5fbe7f49f2d.png?resizew=103)
![](https://img.xkw.com/dksih/QBM/2019/1/31/2130393811369984/2131393300176896/STEM/beaef4e5c3c04dea9842e5fbe7f49f2d.png?resizew=103)
A.等腰三角形 | B.直角三角形 | C.等边三角形 | D.不能确定 |
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