1 . 如图,直线
,直角三角板
的直角顶点B落在直线a上,顶点A落在直线b上,若
,则
的度数为_________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8444d63d1ca92651c62fe9b220859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619966af5abba968962c958a9facb22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
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2 . 如图,直线
,点
在直线
上,
,若
,则
的度数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8444d63d1ca92651c62fe9b220859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a166225f9ada66c353e21ee2262d42c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
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3 . 补充完成下面的推理过程.
如图,已知点
分别是
的边
上的点,
,
.求证:
.
,( 已知 )
( )
,
( )
( )
如图,已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927456b0989846a2f1573844bbaa2105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee14312eec42c729aab9880e09d3726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0aa4c793921fdaa5d430cb90d78ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b3f839ce88bf970aceb44ab939bd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8124688c0c1330a37afac0d6996c45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093d5f28c9dc6bdc0c6620ab8ce9bea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70da26f3b2239b6e13b704c31ac7884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8432fa69f5b8a830b8f199e11e580862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73c256acb5e374fef82ea9653322821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73c256acb5e374fef82ea9653322821.png)
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4 . 已知
,点D在
的边
上,
,且
的一边与
平行,则
的度数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7f8e920a522e27811c5ec93026e04c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c962fe4f47732b8e6e83d17ff2b9af13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
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5 . 如图所示的“箭头”图形中,
,
,
,则图中
的度数是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8a0060edfcba70c266781d04037735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18b6f3b392d2e2379fafc718d8d1ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e0a272aa29c4531aac22f28c64baf5.png)
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6 . 如图所示,平行线
,
被直线
所截,已知
,求
,
,
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13ae849142a1bd9534b72723c8d1b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f2976297a0deaa1602ef09d6a5afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4c3c0a34dc21292fa32befd58d8f82.png)
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7 . 如图,直线
,
被直线
所截,若
,则图中除
外,与
相等的角有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
您最近一年使用:0次
2024-04-25更新
|
117次组卷
|
2卷引用:2024年江西省吉安市吉安县城北中学中考二模数学试题
8 . 下列说法中,正确的是( )
A.相等的角是对顶角 |
B.两条直线被第三条直线所截,同位角相等 |
C.在同一平面内,过一点有且只有一条直线垂直于已知直线 |
D.一个锐角的补角等于该锐角的余角 |
您最近一年使用:0次
9 . 如图,若
,
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebdb67fab10abe123855392b875304b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/7dfdfece-c40d-43b7-9972-9ec5c4d02a8c.png?resizew=148)
您最近一年使用:0次
2024-04-05更新
|
129次组卷
|
2卷引用:江西省赣州市大余县部分学校联考2023-2024学年七年级下学期月考数学试题
10 . 下列选项中,正确的是( )
A.若![]() ![]() | B.两条直线被第三条直线所截,同位角相等 |
C.两个相等的角是对顶角 | D.点到直线的距离是点到直线的垂线段 |
您最近一年使用:0次