周三径一
Traditional form:
周三徑一
Pinyin (reading):
zhōusānjìngyī
Definitions:
- circumference of a circle is proverbially three times its radius
Characters:
- 周 - Zhou dynasty; circumference
- 三 - three
- 径 - path, diameter; straight, direct
- 一 - one; a, an; alone
Traditional characters: