如图,点D、E是等边
的边
、
上的点,且
,
、
相交于P点,
于Q,已知
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/55f2c86a-4c6b-4e73-8d07-c73337045e10.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8fb32ae05a9c1abd3374f5c5f7a999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77f2b19c52a8ef7d6d0cbdc43da861d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44aa0f94d869ac1b2a543572a09e658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/55f2c86a-4c6b-4e73-8d07-c73337045e10.png?resizew=152)
A.5 | B.6 | C.7 | D.8 |
更新时间:2018-01-05 19:56:12
|
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【推荐1】如图,在
中,点D、E、F分别是
上的点,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b873a78c084453e2dcdad27ee5aeb709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e26687bb4bda46a14a9cca99209fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c962fe4f47732b8e6e83d17ff2b9af13.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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名校
【推荐2】如图,△ABC和△ADE中,AB=AC,AD=AE,∠BAC=∠DAE,且点B,D,E在同一条直线上,若∠CAE+∠ACE+∠ADE=130°,则∠ADE的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/12/4a52e7be-8e98-4129-86c2-6ae34caef4f5.png?resizew=116)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/12/4a52e7be-8e98-4129-86c2-6ae34caef4f5.png?resizew=116)
A.50° |
B.65° |
C.70° |
D.75° |
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【推荐1】如图,在△ABC中,
,按以下步骤作图.若
,则
的长是( )
①以点B为圆心,以任意长为半径作弧,分别交
于点E,F;
②分别以点E,F为圆心,以大于
的长为半径作弧,两弧交于点O;
③作射线
,交
于点D;
④以点D为圆心,以适当长为半径作弧,分别交
于点M,N;
⑤分别以点M,N为圆心,以大于
的长为半径作弧,两弧交于点G,连接
交
于点H
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d54cb14e377e3474e97365fc0e15f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f034f61b564017d9495d84a8b53e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
①以点B为圆心,以任意长为半径作弧,分别交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
②分别以点E,F为圆心,以大于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d092504d3c33c48be43f23b788efd9.png)
③作射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
④以点D为圆心,以适当长为半径作弧,分别交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
⑤分别以点M,N为圆心,以大于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.![]() | B.4 | C.3 | D.![]() |
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【推荐2】如图,在
中,
,
是
边上的高,
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284e282bb1d9fbf8634b3506ee5358ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/c48a0e32-65a3-4ab8-9530-0ea766037284.png?resizew=234)
A.4 | B.6 | C.8 | D.10 |
您最近一年使用:0次
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【推荐1】在正方形ABCD的外侧,作等边三角形ADE,则∠CBE的度数为( )
![](https://img.xkw.com/dksih/QBM/2019/6/6/2219619347283968/2223293715816448/STEM/b20077cc5c844d66947188021e5b197d.png?resizew=203)
![](https://img.xkw.com/dksih/QBM/2019/6/6/2219619347283968/2223293715816448/STEM/b20077cc5c844d66947188021e5b197d.png?resizew=203)
A.80° | B.75° | C.70° | D.65° |
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【推荐2】正三角形的边长为4,AD是BC边上的高,则BD是( ).
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次