如图,
为正方形
内一点,过
作直线
交
于点
,过
作直线
交
于
,
,且
.若
.以下结论:①
;②
;③
;④
,其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f0dc39b4e4d3dcbf0baebc83221238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7630a5afafa255d7447c4c44935e4d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33414e04055ea33031eb01b8aa357b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a886007744e33d41f0bc8c58a4431ad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03d3313735619b047b0ffb202ee87e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dbe9853e0513c50dfe032e925f74406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6a2cc463b1fe91ac151633d531d292.png)
A.1个 | B.2个 | C.3个 | D.4个 |
23-24八年级下·湖南长沙·阶段练习 查看更多[2]
更新时间:2024-04-09 13:27:21
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单选题
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困难
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【推荐1】如图,
为
的角平分线,且
,E为
延长线上的一点,
,过E作
,F为垂足,下列结论:①
;②
;③
;④
;⑤
,其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/1b488ab3-1f19-4afd-b6f6-9587259a166d.png?resizew=137)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78002bca853929365a3f58082f3e7637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a26c2c53046cbfe83f84f5393373589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190d88434c0f76751426a97a444616c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cde90176f5fd10626820d8fc2ce64cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c12e1207a839d28a30b0ff622666c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a3f7b62cd68afe3af510ba56b9dd79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35bc414d5abb08c57e6739e1bb66f42.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/1b488ab3-1f19-4afd-b6f6-9587259a166d.png?resizew=137)
A.①②③④ | B.①②③④⑤ | C.①②③ | D.①②③⑤ |
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【推荐2】如图,正方形ABCD中,AD=4,点E是对角线AC上一点,连接DE,过点E作EF⊥ED,交AB于点F,连接DF,交AC于点G,将△EFG沿EF翻折,得到△ EFM,连接DM,交EF于点N,若点F是AB的中点,则下列说法中:①FG=
;②CE=
;③ME=
;④MN=
, 其中正确的个数有( )
![](https://img.xkw.com/dksih/QBM/2022/5/4/2972308524974080/2974376924758016/STEM/418887a9dc9d43f4954120e9648951db.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e505adb132335591331824f48e40af3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333af6f9aa2391b81882eef6040a78b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0998c9ee1ed743a010cd977ff3e5549.png)
![](https://img.xkw.com/dksih/QBM/2022/5/4/2972308524974080/2974376924758016/STEM/418887a9dc9d43f4954120e9648951db.png?resizew=156)
A.1个 | B.2个 | C.3个 | D.4个 |
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名校
【推荐1】如图,C为线段BE上一动点
不与点B,E重合
,在BE同侧分别作等边ABC和等边CDE、BD与AE交于点P,BD与AC交于点M,AE与CD交于点N,连结MN.以下四个结论:①CM=CN;②∠APB=60°;③PA+PC=PB;④PC平分∠BPE;恒成立的结论有( )
![](https://img.xkw.com/dksih/QBM/2020/11/25/2600434849112064/2601855866224640/STEM/e10201f4-eaa8-4b59-9d6d-b1a4a69b1150.png?resizew=269)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de629ae869e25cbd394121fc990d2f85.png)
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![](https://img.xkw.com/dksih/QBM/2020/11/25/2600434849112064/2601855866224640/STEM/e10201f4-eaa8-4b59-9d6d-b1a4a69b1150.png?resizew=269)
A.①②④ | B.①②③④ | C.①③④ | D.①④ |
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解题方法
【推荐2】如图,在⊙O中,直径CD垂直弦AB于点E,且OE=DE.点P为
上一点(点P不与点B,C重合),连接AP,BP,CP,AC,BC.过点C作CF⊥BP于点F.给出下列结论:①△ABC是等边三角形;②在点P从B→C的运动过程中,
的值始终等于
.则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/22/51da62d9-96ec-4723-b367-753f656ed52e.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe6ad3e9bcbea2cfe382c3e74628286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e440016eb1eac8d653a2a0b5eb9a184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/22/51da62d9-96ec-4723-b367-753f656ed52e.png?resizew=148)
A.①,②都对 | B.①对,②错 | C.①错,②对 | D.①,②都错 |
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【推荐1】如图,正方形
中,E为
的中点,
于G,
延长交
于点F,
延长交
于点H,交
于N下列结论:
①
;②
;③
;④
;⑤
;
其中正确结论的个数有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/1c9d9c9a-a981-436d-b1ed-e08ff5a4370b.png?resizew=120)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45344bd93f5943c84dade43ace6fdb84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d3ad08110230946feb6b7cb15a671b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36f1720731dc2842cc0e458c9ebebaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3363c351071bb72f25493552940d983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c23e8c1aed4ce64bbafcc40a3fccc81.png)
其中正确结论的个数有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/1c9d9c9a-a981-436d-b1ed-e08ff5a4370b.png?resizew=120)
A.2个 | B.3个 | C.4个 | D.5个 |
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【推荐2】如图,
为等腰直角三角形,
平分
,交
于点
,
交
的延长线于点
,交
的延长线于点
,
于点
;下列结论:①
;②
;③
;④
.其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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A.①②③ | B.①②④ | C.①③④ | D.①②③④ |
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【推荐1】如图,在正方形ABCD中,点E是边BC上的点,且CE=2BE,连接AE、DE,分别交BD、AC于点P、Q,过点P作PF⊥AE交CB的延长线于点F,下列结论:①∠AED+∠EAC+∠EDB=90°;②AP=FP;③AE=
AO;④若四边形OPEQ的面积为2,则该正方形的面积为36;⑤CE·EF=EQ·DE.其中正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f75c42c77264076166fff76cfab4ed.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/27/b559bd6e-3825-4f39-a82a-7b3bd2462665.png?resizew=199)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
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【推荐2】如图,正方形ABCD中,直线EF垂直平分线段BC,点P是直线EF上一动点,连接BP,以BP为直角边作等腰Rt△BPQ,且∠BPQ=90°,连接DP,若
,则
=( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/8763d9aa-d00e-4cee-99fd-4734ba66bede.png?resizew=113)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881caecdac96140320689f719304bacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5db933987b0d41fee3a265f79144713.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/8763d9aa-d00e-4cee-99fd-4734ba66bede.png?resizew=113)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次