如图,在
中,
,D是
边上的一点,
为直径的
与边
相切于点E,接
并延长,与
的延长线交于点F.
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d013498258b7758379f826b817a2a6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f99c3be607034df96c881fd9f0aa2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738a9b90d2dd1211573506389361c67a.png)
更新时间:2024-05-31 07:49:14
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,已知点
在直线
:
上,
和
:
的图像交于点
,且点
的横坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/0c1dc5c8-2282-45fe-acf1-4eb9067595fd.png?resizew=151)
(1)直接写出
、
的值;
(2)若点
是直线
上一点,且
,求出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6825130e9c2a0af0869d696257147594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebb3b7f47e0decd48e64cb32aaa5903.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/231896d2386c924306fce5ccf9f9e8a7.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/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/0c1dc5c8-2282-45fe-acf1-4eb9067595fd.png?resizew=151)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd144b98874048426ae5f6fbf836ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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,在平行四边形
中,E、F分别是
中点,连接
.
;
(2)若
,
,
,求平行四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcf86f7cf381c563ad80af86feeed83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343f75e17b862051b15696334fec1eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad93bdc4f5a8ac154d8084080ccf1d82.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135df28b0eaf638c6ebbdde3cfd164f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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,若
为等腰直角三角形,其中
,
,将等腰
绕其斜边
所在直线旋转一周,求所得几何体的全面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2778556a96794003f98e40c35389df9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/26/6ca328b4-e6d8-49b8-b60c-689c7b0af58c.png?resizew=259)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,在
中,
,
,
.动点P,Q分别从点B,C同时出发,点P以
的速度沿
向点C移动,点Q以
的速度沿
向点A移动.经过多少秒,以C,P,Q为顶点的三角形与
相似?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432043f79e122f291c47453013042704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c7fbe2b91ad3a170760fdde72ae6fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d989a128e30a701dfff5592476a76bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5631e6ec24d3d67bf4592313b6b3f4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/18c5ab34-5248-4973-b3b2-b16ed92ef606.png?resizew=109)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,AB是⊙O的直径,点F是AB上方半圆上的一点(F不与A、B重合),DE是⊙O的切线,DE⊥AF交射线AF于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/6910dc94-89cf-4212-afa8-0d4adb05f9cb.png?resizew=151)
(1)求证:AD平分∠BAF;
(2)若AE=4,AB=5,求AD长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/6910dc94-89cf-4212-afa8-0d4adb05f9cb.png?resizew=151)
(1)求证:AD平分∠BAF;
(2)若AE=4,AB=5,求AD长.
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,AB是⊙O的切线,B为切点,圆心O在AC上,∠A=30°,D为的中点.
(1)求证:AB=BC;
(2)试判断四边形BOCD的形状,并说明理由.
(1)求证:AB=BC;
(2)试判断四边形BOCD的形状,并说明理由.
![](https://img.xkw.com/dksih/QBM/2018/4/8/1919797197815808/1920635295531008/STEM/61b8b938d12e4699af0c05c1e9637c92.png?resizew=216)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】在
中,以
为斜边,作直角
,使点
落在
内,
.
(1)如图1,若
,
,
,点
分别为
、
边的中点,连接
,求线段
的长;
(2)如图2,若
,把
绕点
逆时针旋转一定角度,得到
,连接
并延长交
于点
,求证:
;
(3)如图3,若
,过点
的直线交
于点
,交
于点
,
,且
,请直接写出线段
之间的关系(不需要证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d8df438fe1a86803155552db4295c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6feb3fd023e8869c0e7071d04be426b.png)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab41054fa9ce51b68e78d9c0cf398d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f8d40582434df99a8c991258234bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0d7a179b2dd96ccc9a782318b02595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee3775fa198b4803bb5a0d1b79e3f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d9792485ccd1ba479ceba6397c15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d9792485ccd1ba479ceba6397c15ff.png)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab41054fa9ce51b68e78d9c0cf398d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d8df438fe1a86803155552db4295c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e086b588a22a80a0dfaeff54c8ed8f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8946331b0a9d86e1a9c78797f3021455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedc79adcd01af6898cd08628e5725b3.png)
(3)如图3,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c6bcb9a048db48b37333e87db770d5.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb3ea779c9f0edb28aa521056831852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2403d95400e724119e83d6c02fb703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3e1f74e95d2660ecff4449826a8c6.png)
![](https://img.xkw.com/dksih/QBM/2017/9/16/1775356291678208/1776209950195712/STEM/f94f9ea8eb40457c82af0f9f835091b1.png?resizew=499)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,点
分别在
三边上,且
,
.
(1)求
的长;
(2)若
的面积为4,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695b0b58e60dd3d2da6388848d373a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d021981c03e75b1a246d899dcc64656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53cfc4a950b4979bab395ee674bb296.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/e092cc19-b3a6-4782-8e82-103b5518eee9.png?resizew=148)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
您最近一年使用:0次