如图,数学实践小组想要测量某公园的人工湖两端A、
之间的距离,由于条件限制无法直接测得,请你用学过的数学知识帮他们按以下要求设计一种测量方案.
(1)画出测量示意图;
(2)写出测量的数据,线段长度用
、
、
表示,角度用
、
、
表示;(不要求写出测量过程)
(3)根据你测量的数据,计算A、
之间的距离.(用含
、
、
或
、
、
的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/13/55f68d31-8ae1-41d1-8228-f6e0513e1588.png?resizew=201)
(1)画出测量示意图;
(2)写出测量的数据,线段长度用
![](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/fb522b7b4f376749c17e00fd9e3cfbc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f114e9bf02fa093fa72c35a1d4b4e03.png)
(3)根据你测量的数据,计算A、
![](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/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb522b7b4f376749c17e00fd9e3cfbc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f114e9bf02fa093fa72c35a1d4b4e03.png)
更新时间:2023-08-12 09:36:34
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解答题-证明题
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适中
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【推荐2】如图,在正方形
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解答题-证明题
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适中
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真题
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证明:
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解答题-证明题
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适中
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