如图,
中,
的平分线交
于点
,过点
作
,
,垂足分别为
,
,下面四个结论:①
;②
垂直平分
;⑧
;④
一定平行于
.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/7/1/2754930529091584/2820056859844608/STEM/64bbc420-c067-4c00-a25c-b86b1bdfd3f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4862047688bcd39cac840955f14af05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f3ed0aa5c7004a1a67c08c97512cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2021/7/1/2754930529091584/2820056859844608/STEM/64bbc420-c067-4c00-a25c-b86b1bdfd3f3.png)
A.①②③ | B.②③④ | C.①③④ | D.①②③④ |
15-16八年级上·江苏扬州·期中 查看更多[10]
2015-2016学年江苏省扬州市江都七校联谊八年级上学期期中数学试卷【校级联考】黑龙江省伊春市嘉荫县2018-2019学年八年级上学期期中考试数学试题江苏启东惠萍初中2020--2021学年八年级上数学调研试题山东省临沂市河东区2020-2021学年八年级上学期期中数学试题河南省上蔡县第一初级中学2020-2021学年度八年级上学期期末数学试题华师大版四川省达州市渠县2020-2021学年八年级下学期期末数学试题广西壮族自治区防城港市防城区2021-2022学年八年级上学期期中数学试题湖南省长沙市湘郡培粹实验中学2021-2022学年八年级上学期第一次月考数学试题江西省萍乡市部分学校2021-2022学年八年级下学期第一次高效课堂练习数学试题江苏省南京市南京外国语学校2023-2024学年八年级上学期期中水平测试数学试卷(A卷)
更新时间:2021-10-01 17:23:16
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【推荐1】如图,
中,
,
的角平分线
,
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交
的延长线于点F,交
于点H,则下列结论:①
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;③
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;④
;⑤
,其中正确的结论是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b40c2b0ab8e1cfe5112d428b4b829f.png)
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A.①③⑤ | B.①②④ | C.①②③④ | D.①②④⑤ |
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【推荐2】如图,在
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【推荐1】如图,在平面直角坐标系中,点A,B的坐标分别为
,
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【推荐2】如图,正五边形ABCDE中,直线
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【推荐2】如图,在
中,
和
的角平分线相交于点
,过点
作
交
于
,交
于
,过点
作
于
,下列四个结论:
①
;②
;
③点
到
各边的距离都相等;
④设
,
,则
.
其中正确结论的个数( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/40e010a0-6402-49e0-b695-9e89f1bdc92d.png?resizew=162)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ff441308ef4b2e57394fc3138cd361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42b3b46ccb085059b31fc382f19f1eb.png)
③点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
④设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6470d85c2dc5ead1b7278ab602860e3.png)
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其中正确结论的个数( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/40e010a0-6402-49e0-b695-9e89f1bdc92d.png?resizew=162)
A.1个 | B.2个 | C.3个 | D.4个 |
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