半球表面积计算器
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Example values are ready
Review the inputs, then select Calculate.Calculation formula
曲面面积 = 2*pi*r**2；包含底面的总面积 = 3*pi*r**2
- r
- Radius · m
- pi
- 3.141592653589793
Enter values to see results and the formula.
Example values are ready
Review the inputs, then select Calculate.曲面面积 = 2*pi*r**2；包含底面的总面积 = 3*pi*r**2