阅读理解,在平面直角坐标系中,
,
,如何求
的距离?
如图1,作
,在
中,
,所以
.因此,我们得到平面上两点
,
之间的距离公式为
.
根据上面得到的公式,解决下列问题:
(1)已知平面上两点
,
,求
的距离;
(2)若平面上有三个点
,
,
,试判断
的形状,并说明理由;
(3)如图2,在正方形
中,点
,点
在
边上,且
,直线
经过
,
两点,点
是直线
上的一个动点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b225d772013d021cf1bfe7b9421fa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b7e35faab6d74fa0c36599c39d1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a949c00526fddf435423272cf10f25.png)
如图1,作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d58191d83961df4ab17e6693cc57f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d58191d83961df4ab17e6693cc57f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0572c425983d38a2a062fdbcbd5c1b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d221b02c865907c755c3bd52fadf846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b225d772013d021cf1bfe7b9421fa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b7e35faab6d74fa0c36599c39d1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d221b02c865907c755c3bd52fadf846.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/7/0458e9b3-873d-4a35-95c1-c043e95b3133.png?resizew=420)
根据上面得到的公式,解决下列问题:
(1)已知平面上两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6646e758862a34d89ee14de8a1ea13b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58aef09a62158f9120c3a8168f063e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若平面上有三个点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1294434b22cb5133043a2270ae1c43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266504a4bd910b292c74765dc9772f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f12f12b6e78f741846da2d56089631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)如图2,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9040cff7e9e20dd2817ad9888237d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b4315630139326aff4ffc04c765d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf887e4d917ccb9fe9ad7066828bc3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74f8f473a40720b775f71835ab7c4f6.png)
更新时间:2023-07-03 22:01:34
|
相似题推荐
解答题-问答题
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适中
(0.65)
【推荐1】如图,直线
经过点
、
和点
,且点
的横坐标为
,点
为线段
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/e6e5da03-e7ca-4077-8c74-2ffe6ae39a57.png?resizew=149)
(1)求直线
的解析式;
(2)若点
为线段
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的值最小时,求出点
坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1e4a02f6a99a4b838dcaf9541d7f9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8f58755aee89fb2cf72ba518dcee2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/e6e5da03-e7ca-4077-8c74-2ffe6ae39a57.png?resizew=149)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186dee1a1cf68677d143172a2a50709c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】如图,在正方形网格中,每个小正方形的边长都为1,网格中有一个格点
(即三角形的顶点都在格点上)
(1)在图中作出
关于直线对称的
(点A的对应点是点
,点B的对应点是点
,点C的对应点是点
);
(2)在直线l上画出点P,使
周长最小;
(3)直接写出
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/1/86a9ed1f-71d4-41f0-9117-5da41f72a4d3.png?resizew=211)
(1)在图中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)在直线l上画出点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
(3)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
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解答题-作图题
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适中
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真题
【推荐1】“水城河畔,樱花绽放,凉都宫中,书画成风”的风景,引来市民和游客争相“打卡”留念.已知水城河与南环路之间的某路段平行宽度为200米,为避免交通拥堵,请在水城河与南环路之间设计一条停车带,使得每个停车位到水城河与到凉都宫点
的距离相等.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/12/94ef73de-8098-4bd7-8ec7-a460733c688c.png?resizew=265)
(1)利用尺规作出凉都宫到水城河的距离(保留作图痕迹,不写作法);
(2)在图中格点处标出三个符合条件的停车位
,
,
;
(3)建立平面直角坐标系,设
,
,停车位
,请写出
与
之间的关系式,在图中画出停车带,并判断点
是否在停车带上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/12/94ef73de-8098-4bd7-8ec7-a460733c688c.png?resizew=265)
(1)利用尺规作出凉都宫到水城河的距离(保留作图痕迹,不写作法);
(2)在图中格点处标出三个符合条件的停车位
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
(3)建立平面直角坐标系,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed90ebf0061c8a79beed307fc1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e258dc5c8b4ea30bca80a56098065402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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解答题-问答题
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【推荐2】如图,一次函数
与x轴交于点A,与y轴交于点B,点C在
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上匀速运动,交直线
于点P,交x轴于点Q,运动的时间为
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(1)若
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时,求
的长度;
(2)当
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与
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd12a066612836d7ca65a9084f8f232.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/435ca0ea-8180-4fa7-8ac7-691e7cafe5e1.png?resizew=637)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf77a054bc1e33f151cea26a7cceac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a12cd60f03184c7804ac7eafbe6646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef520a2657abdf14fa6818c380b596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87b2f781cafa7989d81f9bf8c42b150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
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解答题-问答题
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适中
(0.65)
【推荐1】如图,已知CD=3cm,AD=4cm,∠ADC=90°,BC=12cm,AB=13cm,求阴影部分的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/c173e37e-7a5b-4d3c-b791-ae3a43465029.png?resizew=127)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】如图,在平面直角坐标中,
的三个顶点都在格点上,它们的坐标分别为
、
、
.
(1)点A、B、C的纵坐标不变,横坐标分别乘以
,得到点
,
,
,请在坐标系中画出点
,
,
,并顺次连接,得到
.
(2)请在第二象限内的格点上画出点D,使
是直角三角形,且边
、
的长均为无理数,则点D的坐标为(______,______),点B到线段
的距离是______.
(3)在x轴上找一点P,使
最短,请直接写出
最小值为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c21dde2ad1e31c337bfb78c810ccb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f20a748e7d78ccc3f7766fa58097ae0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c388f2604da379a588f8c5b4a6a767.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/5/ea763fe2-bb44-4b94-a6b4-8c27aba3e2a3.png?resizew=202)
(1)点A、B、C的纵坐标不变,横坐标分别乘以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)请在第二象限内的格点上画出点D,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)在x轴上找一点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71638ab6b108773dbdec596ebac7e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71638ab6b108773dbdec596ebac7e6b.png)
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