计算十二面体的体积

给定十二面体的边缘计算其体积。体积是形状占据的空间量。
一个十二面体 是由 12 个面或平面组成的 3 维图形。所有的面都是相同大小的五边形。“dodecahedron”这个词来自希腊词dodeca（“十二”）和hedron（“面”）。
公式：
体积 = (15 + 7√5)*e ³ /4
其中 e 是边的长度。
例子 ：

Input : side = 4
Output : 490.44

Input : side = 9
Output : 5586.41

C++

// CPP program to calculate
// Volume of dodecahedron
#include 
using namespace std;
 
// utility Function
double vol_of_dodecahedron(int side)
{
    return (((15 + (7 * (sqrt(5)))) / 4)
                       * (pow(side, 3))) ;
}
// Driver Function
int main()
{
    int side = 4;
     
    cout << "Volume of dodecahedron = "
         << vol_of_dodecahedron(side);
}

Java

// Java program to calculate
// Volume of dodecahedron
 
import java.io.*;
 
class GFG
{
        // driver function
    public static void main (String[] args)
       {
           int side = 4;
           System.out.print("Volume of dodecahedron = ");
           System.out.println(vol_of_dodecahedron(side));
       }
     
     static double vol_of_dodecahedron(int side)
        {
             return (((15 + (7 * (Math.sqrt(5)))) / 4)
                       * (Math.pow(side, 3)));
        }
}
 
// This code is contributed
// by Azkia Anam.

Python3

# Python3 program to calculate
# Volume of dodecahedron
import math
 
# utility Function
def vol_of_dodecahedron(side) :
 
    return (((15 + (7 * (math.sqrt(5)))) / 4)
                    * (math.pow(side, 3)))
 
# Driver Function
side = 4
print("Volume of dodecahedron =",
       round(vol_of_dodecahedron(side), 2))
        
# This code is contributed by Smitha Dinesh Semwal

C#

// C# program to calculate
// Volume of dodecahedron
using System;
 
public class GFG
{
     
    // utility Function
    static float vol_of_dodecahedron(int side)
    {
        return (float)(((15 + (7 * (Math.Sqrt(5)))) / 4)
                        * (Math.Pow(side, 3))) ;
    }
     
     
    // Driver Function
    static public void Main ()
    {
        int side = 4;
     
        Console.WriteLine("Volume of dodecahedron = "
            + vol_of_dodecahedron(side));
    }
}
 
/* This code is contributed by vt_m.*/

Javascript

// javascript program to calculate
// Volume of dodecahedron
 
 
// utility Function
function vol_of_dodecahedron( side)
{
    return (((15 + (7 * (Math.sqrt(5)))) / 4)
                       * (Math.pow(side, 3))) ;
}
 
// Driver Function
    let side = 4;
    document.write("Volume of dodecahedron = " +
    vol_of_dodecahedron(side).toFixed(2));
     
    // This code contributed by gauravrajput1

输出 ：

Volume of dodecahedron = 490.44