Hopluenz
外观
![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/0/03/Circle-withsegments.svg/250px-Circle-withsegments.svg.png)
Hopluenz(Sawndip:𭊐𪈽),lij heuh Yienzcou(圓周) roxnaeuz Yenzcouh,dwg aen gainiemh youq gwnz soqhag ndeu,cix dwg dohraez gyoebgeiq henzbien luenz。
Aen goengsik hopluenz dwg 2πr,π daibyauj yienzcoulwd, r daibyauj gij buenqging luenz:
Lienhciep Baihrog[gaij | 编辑源代码]
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Swhyenz Caezyiengj Veizgiek doxgven: