如图,在
中,
,分别以该直角三角形的三边为边,并在直线
同侧作正方形
、正方形
、正方形
,且点
恰好在正方形
的边
上,其中
表示相应阴影部分面积,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02b1139e07e431b5d4276757b232bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b78380eba4b17c8e0b89ecd00077b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4b93d7abcfc4c3df48f03aa969c17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4b93d7abcfc4c3df48f03aa969c17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed29ac6695b74f4417b0e1ec72782db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e8cc2f5f7f98000d5f583e9f015833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b5255825773fbb51090165bac23a37.png)
A.1 | B.![]() | C.![]() | D.条件不足,无法计算 |
更新时间:2024-04-03 09:20:05
|
相似题推荐
单选题
|
较难
(0.4)
名校
【推荐1】如图放置的两个正方形,大正方形ABCD边长为a,小正方形CEFG边长为b(a>b),M在BC边上,且BM=b,连接AM,MF,MF交CG于点P,将△ABM绕点A旋转至△ADN,将△MEF绕点F旋转至△NGF,给出以下五个结论:①∠MAD=∠AND;②CP=b﹣
;③△ABM≌△NGF;④S四边形AMFN=a2+b2;⑤A,M,P,D四点共圆,其中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/efe4859f-754d-46ce-9ac4-735e87e9381e.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35447d4356ff134546ddf83c9adb992e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/efe4859f-754d-46ce-9ac4-735e87e9381e.png?resizew=155)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,Rt
ACB中,∠ACB=90°,∠ABC的平分线BE和∠BAC的外角平分线AD相交于点P,分别交AC和BC的延长线于E,D.过P作PF⊥AD交AC的延长线于点H,交BC的延长线于点F,连接AF交DH于点G.则下列结论:①∠APB=45°;②PF=PA;③BD﹣AH=AB;④DG=AP+GH.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/3/22/2683265787707392/2683965112205312/STEM/cb170dc9-00e1-415d-be1e-8991ebda4ea5.png?resizew=284)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/2021/3/22/2683265787707392/2683965112205312/STEM/cb170dc9-00e1-415d-be1e-8991ebda4ea5.png?resizew=284)
A.①②④ | B.②③④ | C.①②③ | D.①③④ |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】如图,在正方形ABCD中,
,E是AD上的一点,且
,F,G是AB,CD上的动点,且
,
,连接EF,FG,BG,当
的值最小时,CG的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110458927f3f396a5bc27ea4a3b1a3e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60bd78c08f6b3bae52be1bb907aa5792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579afb5653e5319f21506065cf4a3c3f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在正方形 ABCD 中,E是BC的中点,F是CD上一点,AE⊥EF.有下列结论:
①∠BAE=30°;
②射线FE是∠AFC的角平分线;
③CF=
CD;
④AF=AB+CF.
其中正确结论的个数为( )
![](https://img.xkw.com/dksih/QBM/2020/2/27/2408156957892608/2408943815819264/STEM/581410586e9443e1b52debb2edc55a37.png?resizew=161)
①∠BAE=30°;
②射线FE是∠AFC的角平分线;
③CF=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
④AF=AB+CF.
其中正确结论的个数为( )
![](https://img.xkw.com/dksih/QBM/2020/2/27/2408156957892608/2408943815819264/STEM/581410586e9443e1b52debb2edc55a37.png?resizew=161)
A.1 个 | B.2 个 | C.3 个 | D.4 个 |
您最近一年使用:0次