如图,正方形
的对角线
,
相交于点O,点E是
上一点,
交
于点F,连接
,
交于点P,连接
.则下列结论:
①
;②
;
③
;④若
,则
;
⑤四边形
的面积是正方形
面积的
.其中正确的结论是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/75304d7d-aeeb-4d8e-b3b5-88ee9b4b5b8c.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2eaf2acb7e954cc0c4aacdc1f29f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b417f501b6b71f5e0c9c0bc926e4b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f87b02b744534ae1ed700d21fcceb4.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43016ae99553d3ceb3c1ba2e20e6674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e502d2ef8a6bd74472f3d22673352540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c4d6fa0d180f162bc8a9c813424cee.png)
⑤四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ff91957e1d0c9facd6365086723d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/75304d7d-aeeb-4d8e-b3b5-88ee9b4b5b8c.png?resizew=132)
A.①②④⑤ | B.①②③⑤ | C.①②③④ | D.①③④⑤ |
更新时间:2023-04-20 03:04:17
|
相似题推荐
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【推荐1】如图,在正方形
中,点E是边
的中点,连接
、
,分别交
、
于点P、Q,过点P作
交
的延长线于F,下列结论:①
,②
,③若四边形
的面积为4,则该正方形
的面积为36,④
.其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/3d426351-3629-4b78-8d8e-4f2bcaa9041a.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c66902c5f7d00de2e4ba9ccfcfd759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af964ff111866ef27bf1e494077bf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86e464a5900f29e5aea3b94a9b8a180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60511f5b428828623838f00bac87cee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0c2e67c213c6e65752ae35f88801a3.png)
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A.4个 | B.3个 | C.2个 | D.1个 |
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【推荐2】如图,在四边形ABCD中,∠ABC=∠ACB=∠ADC=
,若AD=4,CD=2,则BD的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
A.6 | B.![]() | C.5 | D.![]() |
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【推荐1】如图,点E是正方形
对角线
上一点,点F是
上一点,连接
、
、
、
,取
中点G,连接
,当
时,若
,
,则正方形的边长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776167e299855152585416a0c23c7312.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/592a88aa-ec39-401c-8d46-c0cec3ce4044.jpg?resizew=119)
A.12 | B.8 | C.![]() | D.![]() |
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【推荐2】如图,正方形ABCD中,点E,F分别在边CD,BC上,且∠EAF=45°,BD分别交AE,AF于点M,N,以点A为圆心,AB长为半径画弧BD.下列结论:①DE+BF=EF;②BN2+DM2=MN2;③△AMN∽△AFE;④弧BD与EF相切;⑤EF∥MN.其中正确结论的个数是( )
![](https://img.xkw.com/dksih/QBM/2020/8/9/2524351908855808/2526732492587008/STEM/4042dafd5d584107ab4af8781bed5da5.png?resizew=124)
![](https://img.xkw.com/dksih/QBM/2020/8/9/2524351908855808/2526732492587008/STEM/4042dafd5d584107ab4af8781bed5da5.png?resizew=124)
A.5个 | B.4个 | C.3个 | D.2个 |
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【推荐1】如图,菱形
的边长为
,
,点
为
边的中点.点
从点
出发,以每秒
个单位的速度向点
运动,点
同时从点
出发,以每秒
个单位的速度向点
运动,连接
,过点
作
于点
.当点
到达点
时,点
也停止运动,则点
的运动路径长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/27/28068b45-4b93-4a3d-9950-b6575e9b3dc2.png?resizew=227)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
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A.![]() | B.12 | C.![]() | D.![]() |
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【推荐2】如图,在正方形
中,M,N分别是
,
的中点,P是线段
上的一点,
的延长线交
于点E,连接
,
,将
绕点P顺时针旋转
得
,则下列结论:①
;②
;③
垂直平分
;④若
,点E在
边上运动,则D,F两点之间距离的最小值是
.其中结论正确的序号有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/c24def06-2e9f-4bd9-9486-72df1404812b.jpg?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb3e1e50fc01cdf2153b61d6914eaa7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/c24def06-2e9f-4bd9-9486-72df1404812b.jpg?resizew=160)
A.②③ | B.①②③ | C.①②④ | D.①③④ |
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【推荐1】如图,定直线MN
PQ,点B、C分别为MN、PQ上的动点,且BC=12,BC在两直线间运动过程中始终有∠BCQ=60°.点A是MN上方一定点,点D是PQ下方一定点,且AE
BC
DF,AE=4,DF=8,AD=24
,当线段BC在平移过程中,AB+CD的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/5/42e4e94e-6248-46b6-966e-040474e4604c.png?resizew=303)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/5/42e4e94e-6248-46b6-966e-040474e4604c.png?resizew=303)
A.24![]() | B.24![]() | C.12![]() | D.12![]() |
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【推荐2】如图,AB是⊙O的直径,BC⊥AB,垂足为点B,连接CO并延长交⊙O于点D、E,连接AD并延长交BC于点F,则下列结论正确的有( )
![](https://img.xkw.com/dksih/QBM/2017/4/1/1656191922814976/1657922071166976/STEM/b251b7d797684daaa14e95b3358a3ed0.png?resizew=146)
![](https://img.xkw.com/dksih/QBM/2017/4/1/1656191922814976/1657922071166976/STEM/b251b7d797684daaa14e95b3358a3ed0.png?resizew=146)
①∠CBD=∠CEB;②;③点F是BC的中点;④若
,则tanE=
.
A.①② | B.③④ | C.①②④ | D.①②③ |
您最近一年使用:0次