古希腊时期,人们认为最美人体的头顶至肚脐的长度与肚脐到足底的长度之比是黄金分割比.著名的“断臂维纳斯”便是如此,该雕像的高约为
,则此雕像的肚脐到足底的长度约是______
(精确到
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6740715d6ccfafd00c9a9eae1078cd16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a3d448d4e52782ca2024411c5a11fd.png)
![](https://img.xkw.com/dksih/QBM/2021/10/19/2832605648953344/2833542597255168/STEM/5e72b47f-2aee-4919-8d24-15368678b47f.png?resizew=130)
更新时间:2021-10-20 18:40:04
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【知识点】 黄金分割
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【推荐1】如图,乐器上一根弦固定在乐器面板上A、B两点,支撑点C是靠近点B的黄金分割点,若
cm,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
______________ cm.(结果精确到0.1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/12/07cde9b8-9bc4-4829-9983-0cbb087b6cbc.png?resizew=215)
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【推荐2】已知线段
的长是
,点P是线段
的黄金分割点,则较长线段
的长是______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb6eb78ca96fc50b152315665461e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
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