如图,在
中,
,
于点
,
于点
.
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26537461e34c5ab7fd30476ac25217a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfc2771aa0d5b97d2297f8a26a6f6b1.png)
![](https://img.xkw.com/dksih/QBM/2020/3/8/2415279558492160/2415984725442560/STEM/419e692acfdf47239601d820a86edb61.png?resizew=123)
更新时间:2020-03-09 19:56:25
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】在△ABC中,如图∠BAC=90°,BD平分∠ABC,点E在BC上,DE∥AB,点F在BC上,连结AF,∠C=36°.
![](https://img.xkw.com/dksih/QBM/2019/5/27/2212571264106496/2276281906438145/STEM/4ef12c01ed6c4ad7b50f470dd5a074a9.png?resizew=252)
(1)求∠BDE的度数;
(2)若∠BAF∶∠CAF=2∶3,求证:AF⊥BC.
![](https://img.xkw.com/dksih/QBM/2019/5/27/2212571264106496/2276281906438145/STEM/4ef12c01ed6c4ad7b50f470dd5a074a9.png?resizew=252)
(1)求∠BDE的度数;
(2)若∠BAF∶∠CAF=2∶3,求证:AF⊥BC.
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,
,把
沿直线
折叠,点A与点B重合.
,则
的度数为 ______;
(2)若
,求
的长;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82d5027dd3e43dadaffac069140dd24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00bd1595d901b5641eafb49a7982f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.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,已知直线
交双曲线
于点
和点B,点
为x轴上一动点,直线
交直线
于点C,交双曲线于点D.
(2)若
,请求出m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eebeb0c65327c1472d14023a5027778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9ece4ff94b2b1c4cc7ee25000f996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d903b1ff09e933b73ef0f75fc861dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4d5b8f171b0d8f2362d5e1a34f2bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ee81929c987732fcb379802eeef7a7.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图,
中,
,若动点
从点
开始,按
的路径运动,且速度为每秒
,设出发的时间为
秒.
的周长.
(2)另有一点
,从点
开始,按
的路径运动,且速度为每秒
,若
、
两点同时出发,当
、
中有一点到达终点时,另一点也停止运动. 当
为何值时,直线
把
的周长分成相等的两部分?
(3)直接写出当
为何值时,
为等腰三角形?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0383e063f38aeac6e93c55140962297b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba5ca8ae34ecf31ebdea3c091d356b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048b61a5fb5f420c6d7de88db5bc3aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
(2)另有一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e063f5cd98ca4ddc3b331ed1336f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357265c532428e886a643e8e653eec9e.png)
您最近一年使用:0次