如图,正方形ABCD的边长为4,点E是边BC上一点,且BE=3,以点A为圆心,3为半径的圆分别交AB、AD于点F、G,DF与AE交于点H.并与⊙A交于点K,连结HG、CH.给出下列五个结论中正确的选( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/14/e0082a97-b870-484b-ae2d-b494c95fd55f.png?resizew=197)
(1)H是FK的中点
(2)△HGD≌△HEC
(3)S△AHG:S△DHC=9:16
(4)DK=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15aed058396d4cddf94125073da5f4a.png)
(5)HG⊥HC
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/14/e0082a97-b870-484b-ae2d-b494c95fd55f.png?resizew=197)
(1)H是FK的中点
(2)△HGD≌△HEC
(3)S△AHG:S△DHC=9:16
(4)DK=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15aed058396d4cddf94125073da5f4a.png)
(5)HG⊥HC
A.2个 | B.3个 | C.4个 | D.5个 |
21-22九年级上·湖南长沙·阶段练习 查看更多[3]
湖南省长沙市怡雅中学2021-2022学年九年级上学期第一次月考数学试题(已下线)专题3.13 垂径定理专题训练(培优篇)(专项练习)-2021-2022学年九年级数学下册基础知识专项讲练(北师大版)(已下线)专题28.4+锐角三角函数(培优篇)(专项练习)-2021-2022学年九年级数学下册基础知识专项讲练(人教版)
更新时间:2021-10-25 09:39:09
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【推荐1】如图,在△ABC中,P是BC上的点,作PQ∥AC交AB于点Q,分别作PR⊥AB,PS⊥AC,垂足分别是R,S,若PR=PS,则下面三个结论:①AS=AR;②AQ=PQ;③△PQR≌△CPS;④AC﹣AQ=2SC,其中正确的是( )
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A.②③④ | B.①② | C.①④ | D.①②③④ |
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【推荐2】如图,菱形ABCD中,
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【推荐1】如图,在等边
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