如图,点P是
的平分线BD上一点,
垂足为E.
,则点P到AB的距离是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/f96f411f-1214-4b25-ab3f-8648dbada17c.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf04e3f561f74008429dece5d8a800c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0310d9ad89b825fba98960d54d27465f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad191e7fcb339b9ba004ff74a9c4053.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/f96f411f-1214-4b25-ab3f-8648dbada17c.png?resizew=159)
A.6 | B.5 | C.4 | D.3 |
更新时间:2022-10-22 07:41:22
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【推荐1】如图,在平面内,两条直线
,
相交于点
,对于平面内任意一点
,若
,
分别是点
到直线
,
的距离,则称
为点
的“距离坐标”.根据上述规定
的点共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99d0a3968d3ad5f96fb1e53286b302f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/23/4e29cc40-1698-4340-ab0a-3b638b7f5c18.png?resizew=65)
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】下列说法正确的有( )
①在同一平面内,两条不重合的直线只有平行或相交这两种位置关系;
②过直线外一点有且只有一条直线与已知直线平行;
③两条直线被第三条直线所截,所得同位角相等;
④直线外一点到这条直线的垂线段叫做点到直线的距离;
①在同一平面内,两条不重合的直线只有平行或相交这两种位置关系;
②过直线外一点有且只有一条直线与已知直线平行;
③两条直线被第三条直线所截,所得同位角相等;
④直线外一点到这条直线的垂线段叫做点到直线的距离;
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐1】如图,在平面直角坐标系中,以点O为圆心,适当长为半径画弧,交x轴于点M,交y轴于点N,再分别以点M、N为圆心,大于
MN的长为半径画弧,两弧在第二象限交于点P,若点P的坐标为(6a,2b﹣1),则a与b的数量关系为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/a571219c-0d00-4c1a-9e43-9fe4fe1ab281.png?resizew=135)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/a571219c-0d00-4c1a-9e43-9fe4fe1ab281.png?resizew=135)
A.6a﹣2b=1 | B.6a+2b=1 | C.6a﹣b=1 | D.6a+b=1 |
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名校
【推荐2】已知
平分
,点
在
上,点
在
上,且点
,
均不与点
重合.在
上确定点
,使
,则满足条件的点
的个数( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b13297ddf96f29ef7a0af14afb40890.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.0个或1个 | B.1个或2个 | C.2个或3个 | D.无数个 |
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