如图,菱形ABCD的边长为20,∠ABC=60°,求对角线AC和BD的长(结果保留根号).
![](https://img.xkw.com/dksih/QBM/2018/3/30/1913324453404672/1915233679900672/STEM/b3bdb0a6ed7e45f5a2f85a7547f74ebb.png?resizew=203)
更新时间:2018-04-02 08:15:48
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【知识点】 利用菱形的性质求线段长解读
相似题推荐
解答题-作图题
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适中
(0.65)
【推荐1】在如图的菱形网格图中,每个小菱形的边长均为
个单位,且每个小菱形内角中的锐角为60°.
(1)直接写出
的三个顶点
的坐标;
(2)在图中作出
以点
为旋转中心,沿顺时针方向旋转60°后的图形
;
(3)根据(2),请直接写出线段
扫过的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
(2)在图中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacfc149ede71417fa599c21b5a84cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c3135fa20c32d04a270750f77c1f2d.png)
(3)根据(2),请直接写出线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/3d66ee88-3c6f-4dda-83b5-412dc768455b.png?resizew=270)
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解答题-问答题
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适中
(0.65)
【推荐2】如图,菱形
的对角线
相交于点
为
的中点,
,
.求
的长及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d578394cd8e4d7a705599269c512960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e7f10e0c8af2d0d02a685f6f19e329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af9774200946261f0ccba3e6eeba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052ac776f13cf4af5ed19949bd5f4ccf.png)
您最近一年使用:0次