正方形
中,对角线
、
交于点
,
为
上一点,延长
到点
,使
,连接
、
.
.
(2)求证:
为直角三角形.
(3)若
,正方形的边长为
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bcaa1d7ca0b2725ee1644324cfa8830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553a93e0b6156befa00b50bdfaef95d9.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99db03404e48d64e11ad9e953e874ed.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0311741b046c5c30e49874e84918f764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
21-22八年级下·浙江宁波·期末 查看更多[5]
浙江省宁波市鄞州区部分校2021-2022学年八年级下学期期末考试数学试题山东省德州市宁津县相衙镇王铎中学2022-2023学年八年级下学期期中数学试题(已下线)浙江八年级下期末真题精选(压轴60题20个考点专练)-【满分全攻略】2022-2023学年八年级数学下学期核心考点+重难点讲练与测试(浙教版)(已下线)第5章 特殊平行四边形压轴(7个考点40题专练)-2023-2024学年八年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(浙教版)(已下线)浙江省八年级期末真题必刷压轴60题(13个考点专练)-2023-2024学年八年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(浙教版)
更新时间:2024-01-07 23:39:27
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图,
是
的直径,点D在
的延长线上,点C在
上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/13/cf8a3847-3785-4af2-b9d2-efacab9f9e7d.png?resizew=196)
(1)求证:
是
的切线;
(2)若
的半径为6,求点A到
所在直线的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb95894cbd6c3ef0fcd81ccec3748ae0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/13/cf8a3847-3785-4af2-b9d2-efacab9f9e7d.png?resizew=196)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,
中,
,垂足为D,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/15/798b38af-815a-4e68-b716-e38a2f43a1bd.png?resizew=118)
(1)求
的度数;
(2)若
,求
的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771b610e4ddefa739a985d1e5462ce5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01e980ae1c929c8a6b0993d893af5b1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/15/798b38af-815a-4e68-b716-e38a2f43a1bd.png?resizew=118)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d411efb0aacd95470c63f3a03a6bd034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,某游乐场的游客中心位于
处,其正南方向
处有海盗船游乐项目
,在海盗船游乐项目
的正东方向
处是摩天轮游乐项目
,餐厅
位于
的中点处;碰碰车游乐项目
位于
的中点处.小乐和曼曼同时从
处出发,小乐经
处到
处匀速游玩,曼曼先沿
路线匀速游玩到餐厅
,后又沿南偏西方向的
路线匀速直线游玩.曼曼全程与小乐的游玩速度相同.
和碰碰车游乐项目
的距离是______
;
(2)若小乐在由
到
游玩途中与曼曼相遇于
处,求相遇处
到海盗船游乐项目
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5980537b6c24aba358236446e7135daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09960e92ad5834fb6270f05e77e4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
(2)若小乐在由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,在菱形
中,对角线
,
交于点O,点E为
的中点,
于点F,过点O作
交
于点
.
是矩形;
(2)若
,
.求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6cc3789c0e9b7d1226aa0de3327599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b943f28a579221ff710c5fd323714ead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b670c6d27ce68f17ac12c4efa1933db1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82db4fedaabaf9ded8584273d1a2be9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,在正方形
中,点P是对角线
上的一点,点E在
的延长线上,且
,连结
.
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629566455259136/2629727059443712/STEM/fe265a53-2e72-42c8-970d-5908e1d86744.png)
(1)求证:
.
(2)试判断
和
的数量关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1330569b47697ad0897ff9fcabc590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629566455259136/2629727059443712/STEM/fe265a53-2e72-42c8-970d-5908e1d86744.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374e2198b495b86b0f8308d28035a3db.png)
(2)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,在正方形
中,
为对角线,E为
上一点,连接
.
(1)求证:
;
(2)当
时,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5cc42088b0a16d058745d2ff784f3ad.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/12/5fb8b961-3071-49e5-be6c-c8c7da17f78a.png?resizew=201)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67226b7f737191268a4807abe69ad8d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271d2d123b9b100a153dbdf09630f441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
您最近一年使用:0次