多边形计算器
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Review the inputs, then select Calculate.Calculation formula
周长 = n*side；面积 = n*side**2/(4*tan(pi/n))；内角 = (n-2)*180/n
- side
- 边长 · m
- n
- 边数
- pi
- 3.141592653589793
Enter values to see results and the formula.
Example values are ready
Review the inputs, then select Calculate.周长 = n*side；面积 = n*side**2/(4*tan(pi/n))；内角 = (n-2)*180/n