已知△ABC的三边长分别为a、b、c,面积为s;
的三边长分别为
,
,
,面积为
,且
,
,
,则s与
的大小关系一定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e90425090dfd36313d564a97289b3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0a621a4886d7682be536a9b3638728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc7dde7767c7a0ef28de1b629d382ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a511954ca7218303ed67129d3d4b66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec6e7f9ebd4448e4fd3368fcb50bc7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6cd14707d76af1b096ec6136cdcf29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918c13c3df3f478d537894c0e0038e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a511954ca7218303ed67129d3d4b66e.png)
A.![]() | B.![]() | C.![]() | D.不确定 |
更新时间:2022-04-14 16:05:56
|
相似题推荐
单选题
|
较难
(0.4)
名校
解题方法
【推荐1】在边长为12的正方形ABCD中,E为CD边中点,连接AE,将
沿线段AE翻折得到
,延长AF交BC边于点N,连接EN,延长EF交BC边于点G,其中
,连接DF并延长交BC边于点K,连接EK,则下列结论:①
;②
;③
;④
;⑤
.其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2698f08d94afa1cd5b81444791f4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8ceff7afec45baa273b1fe2152bbbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8689d619c2508c9000531fc1b8f1f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7f978a02eba984df9d73b5ab136c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cd203dee5a7904423e7801df0a4162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215220ceb2981f726defbb26f561cec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d79666d5084d4e06d44b86fdef218f0.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在
△
中,
,
;若将△
绕点
逆时针旋转60°到△
的位置,连接
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2020/1/21/2381717993897984/2381977072672768/STEM/067ba0155f334d06b0a97bc2bde17db2.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b73071db1b5fa051c88f7093fed12a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fec9ae9ba6148dae874920f1988028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69550d878381f6e8fb436e88638f070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209acf15985d1ea1ad86fc4a37e38c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fec9ae9ba6148dae874920f1988028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959593df39a5cd03e3b4f52cae9d79f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a151680f2693495f43ce18bcd062913b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a151680f2693495f43ce18bcd062913b.png)
![](https://img.xkw.com/dksih/QBM/2020/1/21/2381717993897984/2381977072672768/STEM/067ba0155f334d06b0a97bc2bde17db2.png?resizew=132)
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,过原点的直线与反比例函数y=
(k>0)的图象交于A、B两点,点A在第一象限,点C在x轴正半轴上,连接AC交反比例函数图象于点D,AE为∠BAC的平分线,过点B作AE的垂线,垂足为E,连接DE,若AD=2DC,△ADE的面积为8,则k的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/3ddcfb46-4236-4509-9f7a-49b0d0ac033c.png?resizew=218)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/3ddcfb46-4236-4509-9f7a-49b0d0ac033c.png?resizew=218)
A.4 | B.6 | C.8 | D.10 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在
中,
,
,
,
是斜边
的中点,过
作
于
,连接
交
于
;过
作
于
,连接
交
于
;过
作
于
,…,如此继续,可以依次得到点
、
、…、
,分别记
、
、
、…、
的面积为
、
、
、…、
.则
的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/5ab4bb01-7759-4a4f-9721-0f3dc9433719.png?resizew=213)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd835c9d9ef7bbeda49f4c227cef8aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54dc0ff58e8c7d1035c2dff8572b30f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c68712ea78c23b044e357cf37c43ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0004e13a8fb2b54f51d8ada09ffb70a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ce8c07e34224e2d25130ed27c9a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ce8c07e34224e2d25130ed27c9a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741eb0252a6a9c9fe942836891ac07f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4dbe5d5c8b9c28c6f5eb92278a9f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e9e14b826f3b534c237734392f5ee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21aba556a5b9e2a76eb03ed6c0ff475d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25eeed8bbcf9761655555770aff298ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b993b6d558ef4adcae1a21a74011a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e4aebcb7f8a53b6981bdf43805105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe276cb8d80c1098a6ce946ccbc6445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c664a7475c0382c1bbb140bbcb422df5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addee6ce5163a2580888ce2da22714af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addee6ce5163a2580888ce2da22714af.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/5ab4bb01-7759-4a4f-9721-0f3dc9433719.png?resizew=213)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次