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15问答网 > 杭州西湖的面积大约639公顷,能有哪些办法说明杭州西湖的面积

杭州西湖的面积大约639公顷,能有哪些办法说明杭州西湖的面积

杭州西湖的面积大约639公顷,能有哪些办法说明杭州西湖的面积

2025-03-16 09:37:09

推荐回答（1个）

回答1：

俯拍一张照片，选择规则物体测量其照片与实物比例，然后将西湖的形状仔细刻在一块已知面积和质量的矩形纸板上，然后你只要把可在纸板上那个西湖的形状切割下来称重，与矩形纸板原质量相比就可以大致知道“西湖”纸板的面积，再将“西湖”纸板通过照片与实物比例放大，就可以粗略地测得西湖的面积。

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