如图,在
中,
,
,
为
的中点,
为
上一点,
为
延长线上一点,且
.有下列结论:①
;②
为等边三角形;③
;④
,其中正确的结论是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/ca541197-997f-4ae3-ba49-d2409d13bafd.png?resizew=205)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef227e3c17e425d6809b50489f83f50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51fdcd978d4e5cb7b052b8dd44cd621a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe40405cd7bd60d69dd535d6da85c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71750ec61627056226ce7a677f42f2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751aee9cbda301e6bd60ef1af1da6ee2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/ca541197-997f-4ae3-ba49-d2409d13bafd.png?resizew=205)
A.①②③④ | B.①②③ | C.①②④ | D.②③④ |
更新时间:2023-12-19 20:50:32
|
相似题推荐
单选题
|
较难
(0.4)
名校
【推荐1】如图,在正方形
中,
,
为对角线
上与点A,
不重合的一个动点,过点
作
于点
于点
,连接
,下列结论:①
;②
;③
:④
的最小值为3,其中正确的结论是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef652751e2da2d9a74451cc66b64aa79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4914fef4302bc558cbe6bad66de49ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c369f94a6056d114f95432968a7e666f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b8982d1dd4b3024952e2d7f297650f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34da0bafac21a66f7e5d3e42aba8e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
A.①②③ | B.①②④ | C.②③④ | D.①③④ |
您最近一年使用:0次
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【推荐2】如图,正方形
中,点E、F、H分别是
、
、
的中点,
、
交于G,连接
、
.下列结论:①
;②
;③
;④
,其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39addc1173a458af87ed5c5e3f06466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783b84ed8d927b77491092f7d2ee2989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0750041c706890f65da511edf8d6b94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da2ecc26de2b4876d11a709b6936ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de43917237a5956a1841226bba44374.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
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【推荐1】如图,在△ABC中,AC=2
,∠ABC=45°,∠BAC=15°,将△ABC沿直线AC翻折至△ABC所在的平面内,得△ADC.过点A作AE,使∠EAD=∠DAC,与CD的延长线交于点E,则线段ED的长为( )
![](https://img.xkw.com/dksih/QBM/2021/7/3/2756035097501696/2783044032159744/STEM/1f94f850-7148-43d0-b162-201f8a0ca7a5.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/2021/7/3/2756035097501696/2783044032159744/STEM/1f94f850-7148-43d0-b162-201f8a0ca7a5.png?resizew=194)
A.2![]() ![]() | B.2![]() ![]() | C.2![]() ![]() | D.3![]() ![]() |
您最近一年使用:0次
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【推荐2】如图,在扇形
中,
,
是
上一点,连接
交
于点
,过点
作
交
于点
.若
,
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b005eaf26155ccbb3f3ca71e645c96f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db91877e869a8d58b2bab2c39756d7fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a99044cdedf9e67bffd16a7eeeadf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/4/88fd7487-e45d-47e2-b8d8-2b9a5695a7f6.png?resizew=117)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】如图,
是等边三角形,
是等腰直角三角形,
,
于点E,连
分别交
于点F,G,过点A作
交
于点H,则下列结论:①
;②
;③
;④
;⑤
.其中正确结论为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/11995e5a-b0e2-484b-b63d-307ebb592f70.png?resizew=176)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9c457e757ac146cbb07008c58944fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61c04bb33c1f890029af10a9c6b132c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04036fcf8f1f6d8d3a1050456e681b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3722ce5a109be331b49a0c49484865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b69bfc3432486080f4687d66722c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17b747308b5ccdb3ba564d0d1db9df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f7d1c6bbaa582f9e8d5d0e6806e7de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/11995e5a-b0e2-484b-b63d-307ebb592f70.png?resizew=176)
A.①②③④⑤ | B.①③④⑤ | C.①②④⑤ | D.①②③④ |
您最近一年使用:0次
单选题
|
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【推荐2】如图,矩形
中,
,
分别是边
,
的中点,
于
,
的延长线交
于
.下列结论:①
;②
;③
;④
.其中结论正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/19/704c3b97-27b9-4c76-9eb6-6c985c259205.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbf33c5b086d8abffd48d47a8772ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ee017a06061d109355dde984c7f1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31fd72f92f692bfe5bcfbc632657f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadb9416e18b728e131dd1aab62637e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71abb5ca959e2c049e75c92c66fab482.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/19/704c3b97-27b9-4c76-9eb6-6c985c259205.png?resizew=156)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
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【推荐1】如图,在平面直角坐标系中,O为坐标原点,点A为x轴上的一点,将
绕点O按顺时针旋转60°至
,反比例函数
的图象经过点B,过A作
交反比例函数图象于点C,若
的面积为
,则k的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d49d34012ddf68fb981eb4975ac99b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359a47e1191d1df826d7ba8b882638e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】如图,在等腰
与等腰
中,
,
,
,连接
和
相交于点
,交
于点
,交
与点
.则下列结论:①
;②
;③
平分
;④若
,则
.一定正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/4/24/2706829070090240/2710263190495232/STEM/17f5be1f-e53f-4ec8-8808-39e26f52703b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d212c1709b8e72a055cf1b5381ef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b2c767972aa7c8ca26d50d33bc001b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421291381be28da4bd16560fd383b4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26303bd856bc1487272846c52ca36c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffab06abe01c9b48aa4692c73d8b7c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d02d80d4e2f6f984036bd22a1a2077b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e833872c2f6d2e089b3724079e43f6d.png)
![](https://img.xkw.com/dksih/QBM/2021/4/24/2706829070090240/2710263190495232/STEM/17f5be1f-e53f-4ec8-8808-39e26f52703b.png)
A.①②③ | B.①②④ | C.①③④ | D.②③④ |
您最近一年使用:0次