名校
1 . 为了响应国家“双减”政策,适当改变作业的方式,某校内数学兴趣小组组织了一次测量探究活动.如图,大楼的顶部竖有一块广告牌
,同学们在山坡的坡脚A处测得广告牌底部D的仰角为
,沿坡面
向上走到B处测得广告牌顶部C的仰角为
, 已知山坡
的坡度
,
米,
米, 求广告牌
的高度.(测角器的高度忽略不计,结果精确到0.1米,参考数据: ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21622993e25520be44bf18a7e390596.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72be29cf7bf9f2a2ca036231410d2715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/903c1bb6f9fe8f9b9710683a3e601452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df98c7b41e565f2f1f0b36fb98cfe3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b948712373bae4cca60de2d891aba4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21622993e25520be44bf18a7e390596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fe9cc87f8e8389c94efa7e7caab2a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72be29cf7bf9f2a2ca036231410d2715.png)
您最近一年使用:0次
2024-06-02更新
|
122次组卷
|
11卷引用:河南省南阳市宛城区第三中学2022-2023学年九年级上学期期末数学试题
河南省南阳市宛城区第三中学2022-2023学年九年级上学期期末数学试题山东省菏泽市牡丹区第二十一初级中学2022-2023学年九年级下学期3月月考数学试题(已下线)黄金卷02-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(江苏徐州专用)山东省淄博市张店区张店区第六中学2023-2024学年九年级上学期第一次月考数学试题2023年山东省青岛市局属学校中考数学二模模拟试题河南省南阳市卧龙区2021-2022年九年级上学期期末数学试题河南省南阳市第十七中学2022-2023学年九年级上学期期末数学试题2024年山东省青岛市名校联考(青岛七中、青岛二十六中、青岛五十九中、青岛超银学校镇江路校区)中考一模考试数学模拟试题2024年山东省青岛市第二十六中学中考一模数学试题2024年山东省济宁市金乡县九年级中考数学三模试题2024年河南省开封市兰考县九年级中考二模数学试题
名校
2 . 城市规划期间,欲拆除一电线杆
,如图,已知距电线杆
的水平距离
的D处有一大坝,背水坡
的坡度
,坝高
为
,在坝顶点C处测得电线杆顶点A的仰角为
,
之间是宽为
的行人道,试问在拆除电线杆
时,为确保行人安全,是否需要将此人行道封上?(提示:在地面上,以点B为圆心,以
为半径的圆形区域为危险区域)(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6300ce2ba6dd715e02511e173f4c56fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bbf35fe2349c32441815e225ef129f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460317e7c26f95b9b29cfe1a89b796d6.png)
您最近一年使用:0次
2024-05-24更新
|
268次组卷
|
3卷引用:2023年山东省 潍坊市 青州市 中考数学模拟预测题
3 . 为邓小平诞辰110周年献礼,广安市政府对城市建设进行了整改,如图,已知斜坡
长
米,坡角(即
)为
,现计划在斜坡中点D处挖去部分斜坡,修建一个平行于水平线
的休闲平台
和一条新的斜坡
(下面两个小题结果都保留根号).
的坡比为
,求休闲平台
的长是多少米?
(2)一座建筑物
距离A点33米远(即
米),小亮在D点测得建筑物顶部H的仰角(即
)为
.点B、C、A、G、H在同一个平面内,点C、A、G在同一条直线上,且
,问建筑物
高为多少米?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46af56950c9ea1d66bcd41832a81c111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01c0f1690c3237b267ceac96238ede2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7deb0e1ce39cf1d5a9ac1e0adb07e6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(2)一座建筑物
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c9ac2c6c8ca62747901f29b23c4e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3783ab9d207fc2a4741be4f064440f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfb4bbc890fa27776e52f274976c604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
您最近一年使用:0次
4 . 小明同学上周末对公园钟楼
的高度进行了测量,如图,他站在点
处测得钟楼顶部点
的仰角为
,然后他从点
沿着坡度为
的斜坡
方向走
米到达点
,此时测得建筑物顶部点
的仰角为
已知该同学的视线距地面高度为
米
即
米
,图中所有的点均在同一平面内,点
、
、
在同一条直线上,点
、
、
在同一条直线上,
、
、
均垂直于
则钟楼
的高约为多少米?
精确到
参考数据:
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d4c3ad0b10e4b0cd90661a8e127037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3abf47a30522d888afdee3061272863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c2835f13ee9f6a1a5fd53137d0f1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32a2355d81cb016521c1a5d55e9d8b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c912338d075687e498fe0ae6dfb52c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f0ef824845a450279d4af3b998b95c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0d738c072507593fb58bfe7a0049f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3129010c2d93f4d2168cf0d1c63e957b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4087fe637f2f1a5579085272e736c9f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629412c3184e06cd1e9a87008d7b6974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ecc8a8ce0465a731c9a57849ab9cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d4c3ad0b10e4b0cd90661a8e127037.png)
您最近一年使用:0次
5 . 某同学利用数学知识测量建筑物
的高度,他从点
出发沿着坡度为
的斜坡
步行
米到达点
处,用测角仪测得建筑物顶端
的仰角为
,建筑物底端
的俯角为
.若
为水平的地面,点
在同一平面内,建筑物
和测角仪
与水平方向垂直,若
米,则此建筑物的高度
约为( )(精确到
米,参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ae941c9aef1c8186fe2518389df339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5453184e251cfe787b5965cd38426962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3fefe07cbda3517e88b226d557dc2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07705aa6a35111c4f99f4726dedf0f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1258b3cc1a5b98a4f5cd9a80b181e941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87796ee30e6c5d5e6b6285b32abe10c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ac286aaabaf423a8bdc5b008dcf567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3276a6fe4d3e8fc86c7b96b5e1aa7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54498fde8e57d82ffeef09a2979eca1c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 某幼儿园准备建造的一款滑滑梯的形状如图所示,
为扶梯,
为连廊,
为滑梯,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,
,滑梯
的坡度
,扶梯
,连廊
,求建成后的滑滑梯的底部
的长
精确到![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa134d6a603b8f82703ff5fd93c1c4c6.png)
(参考数据:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14b9e6dfaf58b8159e4f2d3b9bd6645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb929846943acd421c529d7868bb4969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a145ea51e1cad1adeb24d6961e0ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f049c029806699cfaaf8d21794a43abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa134d6a603b8f82703ff5fd93c1c4c6.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f362cd5a105d91946528c814001f9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80c72a445a84a75fa3e6d62e12430.png)
您最近一年使用:0次
真题
7 . 如图,某地一座建筑物的截面图的高
,坡面
的坡度为
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23423bfee7442ebeafd30d51fa5e1093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db20862b954cd1886f4765657a46d91c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.5m | D.![]() |
您最近一年使用:0次
2024-05-06更新
|
343次组卷
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19卷引用:四川省眉山市青神县2022-2023学年九年级上学期期末数学试题
四川省眉山市青神县2022-2023学年九年级上学期期末数学试题黑龙江省大庆市肇源县二校联考2023-2024学年九年级上学期月考数学试题山东省泰安市泰山区泰安东岳中学2023-2024学年九年级上学期10月月考数学试题黑龙江省哈尔滨市一一六中学2023-2024学年九年级上学期期中数学试题2023年宁夏回族自治区吴忠市第三中学九年级阶段招生模拟考试(二)数学模拟预测题2021年广东省广州市花都区中考数学一模试卷2022年贵州省毕节市中考数学真题(已下线)2022年贵州省毕节市中考真题数学(填选)(已下线)专题14 解直角三角形-2022年中考数学真题分项汇编(全国通用)(第2期)黑龙江省大庆市肇源县2022-2023学年九年级上学期11月月考数学试卷广东省茂名市祥和中学2022-2023学年九年级上学期期末考试数学试题(已下线)专题28.17 锐角三角函数(中考常考考点专题)(基础篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(人教版)(已下线)专题1.19 直角三角形的边角关系(中考常考考点专题)(基础篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)(已下线)专题7.17 锐角三角函数(中考常考考点专题)(基础篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(苏科版)(已下线)专题1.19 解直角三角形(中考常考考点专题)(基础篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(浙教版)第1章 5课时2三角函数的应用2024年河南省汝南县中考一模数学模拟试题2024年广东省阳江市阳春市中考一模数学试题(已下线)热点06 锐角三角函数(9大题型+满分技巧+限时分层检测)-2024年中考数学【热点·重点·难点】专练(广东专用)
8 . 某数学实践活动小组为了测量山坡下水平面上塔
的高度,因为塔底有障碍物不能直接测量,活动小组在坡底C处测得塔顶A的仰角为
,沿着斜坡
走了39米到达D处,然后在点D处测得塔顶A的仰角为
,已知斜坡CD的坡度为
,求塔高
.(A,B,C,D在同一平面内)(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb94bd9eb80fb9f5f02f518bb8f2211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7451b9d94e28503b8ac931632ff9dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1852175af2bff405159bc6b574dcb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9003e81d845601627751de761f11c481.png)
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9 . 如图,小明要测量学校食堂和食堂正前方一棵树的高度,他从食堂楼底
处出发,向前走
米到达
处,测得树顶端
的仰角为
,又继续沿斜坡
走到坡底
处,测得
的仰角是
,再继续向前走到大树底
处,测得食堂楼顶
的仰角为
.已知
点离地面的高度
米,斜坡
的坡度
,且
、
、
三点在同一直线上.
______度,
______度;
(2)求树
的高度;
(3)求食堂
的高度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df98c7b41e565f2f1f0b36fb98cfe3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcfbc2a377c4d6c0423744c3b63409b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c44345de7d1f37b48def25db8c5e2b.png)
(2)求树
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(3)求食堂
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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10 . 如图,拦水坝的横断面为梯形
,其中
,
,
,斜坡
长
,则斜坡
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42ed2e5bd5a0f033e24008697bf4963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8fd12581cde7779e735bd3f4ad6d1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea92883fe24b097c9a881ef8c92eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-28更新
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124次组卷
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2卷引用:2023年贵州省遵义市第十一中学中考数学模拟预测题