如图,在
中,以点
为圆心,
长为半径作弧,交
于点
,再分别以点
,点
为圆心,以大于
的长为半径作弧,两弧分别交于
,
两点,连结
交
于点
,已知
,
,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81613520ab5a478f0b2616a9bcb79d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d649afbddd907f0dfec1420f02f82fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
A.17 | B.16 | C.15 | D.14 |
更新时间:2024-03-28 11:36:47
|
相似题推荐
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【推荐1】尺规作图源于古希腊的数学课题,蕴含着丰富的几何原理.如图,在
中,按如下步骤尺规作图:①以点B为圆心,
为半径作弧交边
于点D;②以点A为圆心,
为半径作弧交
于点E;③连结
与
.若要求
的度数,则只需知道( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d19f963f7c803bcfcbb265ec6d4304.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】在矩形ABCD中作图:①分别以点B,C为圆心,BC长为半径画弧,分别交AD于点H,G;②分别以点B,C为圆心,大于BC的一半长为半径画弧,两弧相交于点E,F;③作直线EF,交AD于点P.下列结论不一定成立的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/24136b0e-b67c-4e72-b487-ac656d7355c9.png?resizew=161)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/24136b0e-b67c-4e72-b487-ac656d7355c9.png?resizew=161)
A.BC=BH | B.CG=AD |
C.PB=PC | D.GH=2AB |
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【推荐1】如图,在△ABC中,AB=AC,DE是AB边的垂直平分线,分别交AB,AC于D,E,△BEC的周长是14cm,BC=5cm,则AB的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/2ef8603f-7a5c-4094-a174-9a10778a366d.png?resizew=107)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/2ef8603f-7a5c-4094-a174-9a10778a366d.png?resizew=107)
A.9cm | B.12cm | C.14cm | D.19cm |
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【推荐2】如图,DE是线段AB的中垂线,
,
,
,则点A到BC的距离是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/23/346c4b23-4e84-4fea-9430-946aeebdc4fb.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a647afc2195ee6762c602b43920b660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7478a854c54e69abab96cfb55a0ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c34417066b132522ff74a479d812e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/23/346c4b23-4e84-4fea-9430-946aeebdc4fb.png?resizew=175)
A.4 | B.![]() | C.5 | D.6 |
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【推荐1】如图,在
中,分别以点
和点
为圆心,大于
的长为半径画弧,两弧相交于点
,
,作直线
交
于点
,连接
.若
的周长为24,
,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/20/1b820ec7-6562-4bca-aa66-8e4d9c5de2c5.png?resizew=150)
A.10 | B.17 | C.20 | D.21.5 |
您最近一年使用:0次
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【推荐2】如图,在矩形
中,连接
,分别以
为圆心,大于
的长为半径画弧,两弧交于
两点,作直线
,分别与
交于点
,连接
.若
,
.则四边形
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/23/1d1b1dec-cc6a-44c8-a387-dc1008fa4a2d.png?resizew=149)
A.5 | B.10 | C.12 | D.20 |
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