名校
解题方法
1 . 如图所示,在梯形
中,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/e6ec2745-eb6a-4c96-85a6-bd0f2334d7eb.png?resizew=163)
(1)求
的值;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2395720e6d6aeb7efdcd8e921849acf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/e6ec2745-eb6a-4c96-85a6-bd0f2334d7eb.png?resizew=163)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcba4db5c1115f43681182598cef3fff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a38dd5d62e9ff7ee9bc4d4eef4752e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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2020-03-09更新
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1965次组卷
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4卷引用:黑龙江省鹤岗市第一中学2022-2023学年高一下学期3月月考数学试题