如图,在
中,
,
,
平分
交
于
,
于
,
交
的延长线于
,连接
,下列结论:
①
;②
,③
,④
为定值.
其中正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.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/84be64d28b1623e71ad989f37336b1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba870ac7e456d8daa098c9d52aeccc2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5066695dba32288028299a8b2a13b935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e52afb0eaa29b2e542805716db11243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728e94fa6236a1d14d642d1cdac579e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2190723cac17d384d309c57dd2573079.png)
其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/19/a707417e-3b2b-4aab-8f99-731a825bed19.png?resizew=149)
A.![]() | B.![]() | C.![]() | D.![]() |
11-12八年级上·河南许昌·期末 查看更多[3]
更新时间:2016-12-05 12:23:34
|
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【推荐1】如图,
,
、
、
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,外角
,外角
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,②
,③
,④
,其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/9e6e1cbd-8c68-48a1-9c8b-b718f6ea2d83.png?resizew=153)
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【推荐1】在矩形ABCD中,连接AC,过点B作
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分别交AC、DC于点G、F,已知
,
,对下列说法中,①
≌
;②四边形BPGE的面积是
;③
;④
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【推荐2】已知:如图
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【推荐1】如图,在Rt△ABC中,∠ABC=90°,AB=4,BC=3,以点B为圆心,适当长为半径画弧交边于D,E两点(按照A,D,E,C依次排列,且D、E不重合).过D、E分别作AB和BC的垂线段交于F、G两点,如果线段DF=x,EG=y,则x、y的关系式为( )
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【推荐2】如图,正方形ABCD中,E、F分别为BC,CD的中点,AF,DE交于点P,连接BP,CP.则下列结论中:①
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