为测量大楼
的高度,小明测得斜坡
(A,B,C,D在同一平面内),坡度
,坡底C到大楼底部A的水平距离
,在D处测得大楼顶部B的仰角为
,则大楼
的高度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c4236fb23d6efad92413918cb2f28c.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·四川南充·模拟预测 查看更多[3]
2024年四川省南充市名校联考中考模拟预测数学模拟预测题(一)(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)(已下线)数学-2024年中考考前最后一课(3)
更新时间:2024-04-11 21:03:08
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【推荐1】如图,
内接于
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【推荐2】已知在矩形ABCD中,对角线AC,BD交于点O,∠AOD=120°,AB=1,则矩形的面积为( )
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【推荐1】如图,
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【推荐2】如图,在矩形ABCD中,AB=4,BC=6,点E为BC的中点,将△ABE沿AE折叠,使点B落在矩形内点F处,连接CF,则CF的长为( )
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