如图,
和
是以点
为位似中心的位似图形,且
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121e9b7080514f5a33858d72e28d60a2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/2/d21c7f4f-4663-444c-ae04-6784d89e224c.png?resizew=139)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-07-29 19:41:25
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在
中,E是
上一点,
,点F是
的中点,若
,则
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/f7dcbdff-d783-4a90-a79b-2487b6e82c06.png?resizew=140)
![](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/de01ca42a21f0cb44b2c914e092a0d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4066ed8dde07a00665ad52a5d15c7531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/f7dcbdff-d783-4a90-a79b-2487b6e82c06.png?resizew=140)
A.2 | B.3 | C.4 | D.6 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在△ABC中,点D、E和点F、G分别是边AB、AC的三等分点,△ABC的面积为18,则四边形DEGF的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/83b4928f-5cfb-41cb-a503-5e80f7938ec1.png?resizew=152)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/83b4928f-5cfb-41cb-a503-5e80f7938ec1.png?resizew=152)
A.2 | B.3 | C.6 | D.9 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在正方形网格中,
与
位似,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/73f28267-6899-4516-b3e3-0e4f3bc3d0fb.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/73f28267-6899-4516-b3e3-0e4f3bc3d0fb.png?resizew=148)
A.位似中心是点D | B.位似中心是点G |
C.位似比为![]() | D.位似比为![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】
三个顶点的坐标分别为
,
,
,在此直角坐标系中作
,使得
与
位似,且以原点O为位似中心,位似比为1:2,则
的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1aabeccd2dab1819b0bd1c2dddf357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4ce06a0679abefae01b8fee22eb595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff1d6c86ea3530e3a6db04de6162221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0436efefa53aad714565ab2ba7ff90fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0436efefa53aad714565ab2ba7ff90fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0436efefa53aad714565ab2ba7ff90fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.1 | C.2 | D.4 |
您最近一年使用:0次