网站首页  英汉词典

请输入您要查询的英文单词:

 

单词 Regular Decagon
释义

Regular Decagon

中文百科

十边形 Decagon

(重定向自Regular Decagon)
Un decágono regular.

十边形是几何学上所有有10条边和10只角的多边形。

正十边形是十边等长、十角等大的多边形。内角为144°。若边长为a,面积A = \frac{10}{4}a^2 \cot \frac{\pi}{10} \simeq 7.6942 a^2.。尺规作图可先在圆形内制作正五边形,再将各边二等分线延伸至圆周以完成正十边形的顶点。

英语百科

Decagon 十边形

(重定向自Regular Decagon)
Construction of decagonConstruction of pentagon
Decagon with given circumcircle,[5] animationDecagon with a given side length,[6] animation

In geometry, a decagon is a ten-sided polygon or 10-gon.

A regular decagon has all sides of equal length and each internal angle will always be equal to 144°. Its Schläfli symbol is {10} and can also be constructed as a truncated pentagon, t{5}, a quasiregular decagon alternating two types of edges.

随便看

 

英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2024 encnc.com All Rights Reserved
更新时间:2025/6/20 12:37:23