计算十二面体的体积-yiteyi-C++库

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。 A. 十二面体 是由12个面或平面组成的三维图形。所有的面都是大小相同的五边形。“十二面体”一词来源于希腊语dodeca（“十二”）和hedron（“脸”）。 公式： 体积=（15+7）√5） *e ^3. /4 其中e是边的长度。例如：

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Input : side = 4Output : 490.44Input : side = 9Output : 5586.41

推荐：请尝试你的方法 {IDE} 首先，在进入解决方案之前。

C++

                         // CPP program to calculate                       
                         // Volume of dodecahedron                       
                         #include <bits/stdc++.h>                       
                         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.*/                       

PHP

                         <?php                       
                         // PHP program to calculate                       
                         // Volume of dodecahedron                       
           
                         // utility Function                       
                         function                                     vol_of_dodecahedron(                                     $side                                     )                       
                         {                       
                                                 return                                     (((15 + (7 * (sqrt(5)))) / 4)                       
                                                 * (pow(                                     $side                                     , 3))) ;                       
                         }                       
           
                                                 // Driver Function                       
                                                 $side                                     = 4;                       
                                                 echo                                     (                                     "Volume of dodecahedron = "                                     );                       
                                                 echo                                     (vol_of_dodecahedron(                                     $side                                     ));                       
                                   
                         // This code is contributed by vt_m.                       
                         ?>                       

Javascript

                         <script>                       
                         // 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                       
                         </script>                       

输出：

 Volume of dodecahedron = 490.44

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