摘要
根据梅文鼎几何图形,推导出正二十面体、正十二面体外接和内切球面半径公式.
According to the geometrical pattern of Mei Wending, the circumscribed and inscribed sphere radius formula of regular icosahedron and dodecahedron are leading out, the golden section number is obtained as well in process of the calculation.
出处
《甘肃高师学报》
2017年第12期1-5,共5页
Journal of Gansu Normal Colleges
关键词
正二十面体
正十二面体
外接球面半径
内切球面半径
黄金分割
regular icosahedron
regular dodecahedron
circumscribed sphere radius
inscribed sphere radius
golden section
