已知点
是
轴上的一点,它与点
之间的距离是15,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ec88949d4bfa5a6242f6eeb7986fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
更新时间:2019-11-05 16:39:57
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【知识点】 已知两点坐标求两点距离解读
相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐1】先阅读一段文字,再回答下列问题,已知在平面内两点坐标
,
,
,
,其两点间距离公式为
,同时,当两点所在直线在坐标轴上或平行于
轴或垂直于
轴时,两点间距离公式可化简为
或
.
(1)已知
,
,则
、
两点间的距离为 ;
(2)已知
,
在平行于
轴的直线上,点
的纵坐标为5,点
的纵坐标为
,则
,
两点间的距离为 ;
(3)已知
,
在平行于
轴的直线上,点
的横坐标为5.且
,
两点间的距离为3,则点
的横坐标为 ;
(4)已知一个三角形各顶点坐标为
,
,
,请判定此三角形的形状,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96ff3c15f07345e78aa0b21a1817cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a350eb41c3b7e4face9c3299eff9d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2f56bd71c05ca3f6f7512b6e5221e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24529eadaef974ec0625f8ca40682e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498ae345fe36652cecc53113f55fa1d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84582197ed0d1963e42fb03a0fa14158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d774e4b00d12342ef869c610fa55e98a.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0ee961ef09c5c63bedb4a5f0082079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a12a3405de25a8fd489d061186d8e715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(4)已知一个三角形各顶点坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcbc328ed803646d8646560050ed0ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88dc77a2f5276aca07cb23ba75b9b673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fc75de69dcc72f51f5688c4ff10fdc.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】先阅读下面的一段文字,再解答问题.
已知:在平面直角坐标系中,任意两点
,其两点之间的距离公式为
.同时,当两点所在的直线在坐标轴上或平行于坐标轴或垂直于坐标轴时,两点之间的距离公式可以简化为
或
.
(1)已知点
,试求
两点之间的距离.
(2)已知点
在垂直于
轴的直线上,点
的坐标为
,
,试确定点
的坐标.
(3)已知点
,请判断
的形状,并说明理由.
已知:在平面直角坐标系中,任意两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7d5b7a335fb30a034976287aee9e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f9e8795eba7ba3a3de9632a35d225b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4e94463a0f22990789c5494916e844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea85462de4f0c3de7b8f47242a3102b.png)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff21cd1a7d3b77413152c326e52a0012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee046420d165f2e080ac8bacfd39d38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a748fd529ea99e6840b1f5822c58b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次