如图,
是
的弦,以
为边作等腰三角形
,
,若
的半径为
,弦
的长为
,点
在
上,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c490f20700a16263deb94858c17df808.png)
___________ °
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef586e179a8ce4b75904f54220e567f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9355bfefc563dfa1f06e9795ef91bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8db8e8d2ebf867f68034f60cce858c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c490f20700a16263deb94858c17df808.png)
更新时间:2023-04-17 09:26:33
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,⊙O是等边△ABC的外接圆,已知D是⊙O上一动点,连接AD、CD,若圆的半径r=2,则以A、B、C、D为顶点的四边形的最大面积为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/447a67f5-6dd1-4cbc-bd37-7a73c0c702f7.png?resizew=141)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,
是
的直径,四边形
内接于
,
交
于点E,
.若
,
,则
的长为_______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd95dc30c0344788b94289c464a3158e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b5f7197e5bd1afeea4d931307956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/04287e50-443b-4a0c-b618-b935e5b5cf3d.png?resizew=136)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】已知⊙O的弦AB长为2,C是⊙O上一点,若
,则
的面积的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27e47690ed332c573186992b6d25654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】已知在半径为2的⊙O中,圆内接三角形△ABC的边AB=2
,则∠C的度数为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,点
为等边
外一点,
,连接
,若
,
的面积为
,则
的长为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a58a622e2b1a239f2f96aa1501e9799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df6d51738ac1bc8b9530ea4a55745c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73882a6f25d3b95ebb1e3c0b23d44bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/91586965-ad31-4285-afd3-58eb228306b9.png?resizew=176)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,点O为坐标原点,△ABC是边长为16的正三角形,点A、B分别在x轴的正半轴、y轴的正半轴上滑动,点C在第一象限,连接OC,则线段OC的长的最大值是_____ .
![](https://img.xkw.com/dksih/QBM/2018/3/28/1911953013833728/1914946303139840/STEM/16442e073f414104841204e4925fadc3.png?resizew=141)
您最近一年使用:0次