1 . 下列命题:①到角的两边的距离相等的点在角的平分线上;②与线段两个端点距离相等的点在这条线段的垂直平分线上;③任何数的0次幂都等于1;④三个角都相等的三角形是等边三角形.其中正确的命题的序号是
您最近一年使用:0次
2 . 如图,
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566a5d9fee0f1652692fb4536ae4a838.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033c48b329bfc6880d8f7a6dbe1db986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd375478a99125b3f764af7f7f5deb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12672a44474fe594d611a02731a0c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566a5d9fee0f1652692fb4536ae4a838.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/1f028d8f-59bf-4ca7-898e-802909e6ce43.png?resizew=131)
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3 . 在
内部存在一点O,满足
,在
外有一点D到三边所在直线的距离相等,若设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b5c0e0724cce5c25a88dca5e9220c2.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b14a89363fa1e1a3b74ed989a5311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbec8352ce3dbfbf3b173045d0ba8f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b5c0e0724cce5c25a88dca5e9220c2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/e9fa449e-e40f-43e2-9e70-2e4a4bb55e2c.png?resizew=128)
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4 . 如图所示,
为线段
上一点,以
为边长向同侧作等边三角形
和等边三角形
,连接
交于点
,
交
于
,
交
于
,连接
,连接
.则下列结论正确的有__________ .(填序号)
①
;②
;③
;④
;⑤
平分
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a935c5795082a17981994de8ac83b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63125b685acbcd235ecc4afa862fe026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a6574405000dab3fec93b438aa2de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319977d4b32badddda913784dd38914b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04d32ce21352c9012b20a228ca74700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa5088fedf996af3d7c50a39bdaae73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2af25a7804b717fd072634d58a2e28.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/85d623fd-1e0f-49b5-8e51-b660a5f8a65a.png?resizew=242)
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5 . 如图,已知
,一次函数
的图象为直线
,点
关于直线
的对称点
恰好落在
的平分线上,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded3d9870bf521472dba115a83995423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fe32dfbd66709875c5b9f79c9496da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bc29145f6e7557711c34b443bd5e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/aad3c4c1-dd34-47e7-ae14-f1eca619f8f2.png?resizew=167)
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名校
6 . 如图,
是
的外角,
,
和
的平分线相交于点E,连接
,则
的度数是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e259d2878bb642d5e5759562198a2c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35803969509655f72b4118503ae1c966.png)
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7 . 如图,在
中,
,三角形的外角
和
的平分线交于点E,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3d238d7b78d751adbd21c570787d89.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f047aaada2e8c7a60daa848f3fdf6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752fa646a2d9cfca34001748445301c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3d238d7b78d751adbd21c570787d89.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/7e57fdc8-dfc9-4c3e-b668-3a77adee1680.png?resizew=151)
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8 . 如图,在
中,
,
,
的平分线与
的外角平分线交于点
,连接
,则
的大小等于_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ebf11c2d7466ef937bbff2899f5c86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1051900ac823a78a7340c5a01d4234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/7d03786f-3484-42c9-a5d5-ba068fae038c.png?resizew=188)
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9 . 如图,点D是
内一点,
,
,则以下结论:①
,②
,③
平分
,④
与
的位置关系是互相垂直.其中正确的是:________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd95dc30c0344788b94289c464a3158e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4cbe61e476116a9549be93563f7a251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed1b0a312e0ddf54abbbade60f2ca21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/b431cc8e-6b90-473c-adec-42f8872e35d5.png?resizew=148)
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10 . 如图,
中,P、F分别是
、
上的点,作
垂足分别是D、E,若
,以下四个结论:①
;②
;③
;④连接
,则
垂直平分
.其中正确结论的序号是______ (请将所有正确结论的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ae61d4a7e190fad3bddc0522135d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16f28a2dbce8236709985a699eab596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42218a68301d770accaaefb96b19f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a1e2531e2ae0201545eca2e4570a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053116f38b5233cccb234a9110464a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/cbfe4049-b122-4361-ae53-c93dff6b7809.png?resizew=179)
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