题型:填空题
难度:0.65
引用次数:242
题号:20298723
点E为正方形
的边
上一点,连接
,且
与
相交于点M.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b5d9bb1f43dce75f727435f290fa5b.png)
____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2ef6e0ef1c14aff33a08322032e7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095b577fd61e839546dcf55fc944e884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b5d9bb1f43dce75f727435f290fa5b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/17/ad631494-2fd8-4c24-b166-8bec132033fd.png?resizew=113)
更新时间:2023-10-17 17:17:03
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【推荐1】如图,E、F分别是正方形ABCD的边 CD、BC上的点,且
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,△EFC的周长为80cm,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
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【推荐2】如图,在正方形ABCD中,点P在AB边上,AE⊥DP于E点,CF⊥DP于F点,若AE=3,CF=5,则DF=_________ ,EF=_____________ .
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【推荐1】如图,圆内接六边形ABCDEF中AB=CD=EF,且三条对角线AD、BE、CF交于点P,CE与AD交于点Q,已知AC=26,CE=39,那么CQ•QE=_____ .
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【推荐2】如图,在
中,
,
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【推荐1】如图,在正方形
中,
为
边中点,连接
,将
沿
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,延长
分别交
、
延长线于
、
两点,连接
,延长
交
边于点
,则下列正确的有___________
①四边形
为平行四边形;②
,③
,④
;
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名校
【推荐2】公元三世纪,我国汉代数学家赵爽在注解《周髀算经》是给出的“赵爽弦图”如图所示,它是由四个全等的直角三角形与中间的小正方形组成的一个大正方形.如果小正方形的面积是
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