如图,AD是
的平分线,
,过D点作
于点E,
交
于点F,则下列结论:①
②
③
④
, 其中正确结论的序号有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db0641078052bf1af17b4c5a01b9ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532aece6cfd67e2a97977eed978dbf2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa30a9ee227af2b387cf6e028c20d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119a42b414029f423499017dc5c69240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d4cdb5c5967aeaadaa29e2de49a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19797a50caf9c20c648a9357341f29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e6251ed291694af26ca0f5bed718b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/53665e38-56e5-4737-a0d4-fc71d0a5ea57.png?resizew=193)
A.①② | B.①②③ | C.②③④ | D.①②③④ |
更新时间:2023-11-30 15:14:36
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】一个等腰三角形的底角是39°,则它的顶角是( )
A.39° | B.51° | C.78° | D.102° |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】等腰三角形的其中一个角为50°,则它的顶角度数为( )
A.50° | B.80° | C.50°或80° | D.20°或80° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,H是
的高
的交点,且
,则下列结论中正确的有①
,②
,③
,④
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15204b24dd62067316fee9abab2bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c503e29373e8d87134bdb46bd3912910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e6363330b33ca9feda927e6ffd3088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d03a6074fa932d98728d6d61670aea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dbec913527f183f7a7d3b58de4938db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d158b43f14558030a6a83f4919a48.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/26/4c3b2fa2-9cef-4131-9360-804a590a78dd.png?resizew=113)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,
,
,垂足分别为
,下列结论不一定正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/10/29/3098029492314112/3098184614133760/STEM/541d28f303fb43c0b1774f5905c4655e.png?resizew=93)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1f18cef1745d84a0265246684753bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36842cb46ca62cc5648bf8df66fddf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c09d7e5cdd0670cfabbc6a3b4ae9ed.png)
![](https://img.xkw.com/dksih/QBM/2022/10/29/3098029492314112/3098184614133760/STEM/541d28f303fb43c0b1774f5905c4655e.png?resizew=93)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,在四边形
中,
,
,
,
平分
,则
的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/61f819a7-3820-427e-803f-6c35762c2ab2.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/61f819a7-3820-427e-803f-6c35762c2ab2.png?resizew=177)
A.5 | B.6 | C.8 | D.10 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,
是
的高,以点
为圆心,适当长为半径画弧交
于点
,交
于点
;分别以
,
为圆心,以大于
的长为半径画弧交于点
;作射线
交
于点
.若
,
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c284ccb6f4ee7a8690013d2ce16e226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82773737609e65dea3c5c67099f1b10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,
,
,
,则下列结论中:①
;②
;③
;④
;正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/4fcda4f5-07fe-4dae-948a-e66ab5f86110.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190d88434c0f76751426a97a444616c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dac702fe64edf1bc265da4b98cf2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccd5c41c921836b50f8e18abfdc5df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0e0298a31f910b10b186456554a450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd798ad5a40230796e1ee7d893980537.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/4fcda4f5-07fe-4dae-948a-e66ab5f86110.png?resizew=178)
A.①② | B.①②④ | C.②④ | D.②③④ |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】下列说法中错误的是( )
A.等腰三角形的两个底角相等 |
B.线段垂直平分线上的点与这条线段两个端点的距离相等 |
C.同底数幂相乘,底数不变,指数相加 |
D.分式的分子与分母乘(或除以)同一个整式,分式的值不变 |
您最近一年使用:0次