四面体只是一个带有三角形底面的金字塔。它是一个有四个三角形面的实体物体,三个在侧面或侧面,一个在底部或底部,四个顶点或角。如果面都是全等的等边三角形,则称四面体是规则的。
四面体的面积可以使用以下公式计算:
Area = sqrt(3)*(side*side)
例子 :
Input : side = 3
Output : 15.5885
Input : side = 20
Output : 692.82
C++
// C++ Program to Calculate
// area of tetrahedron
#include
#include
using namespace std;
//Utility Function
double area_of_tetrahedron(int side)
{
return (sqrt(3)*(side*side));
}
//Driver Code
int main()
{
int side=3;
cout<< "Area of Tetrahedron ="
<< area_of_tetrahedron(side);
}
// This code is contributed by anant321.
Java
// Java Program to Calculate
// area of tetrahedron
import java.util.*;
import java.lang.*;
class GFG {
// Utility Function
public static double area_of_tetrahedron(int side)
{
return (Math.sqrt(3) * (side * side));
}
// Driver code
public static void main(String[] args)
{
int side = 3;
System.out.println("Area of Tetrahedron ="
+ area_of_tetrahedron(side));
}
}
// This code is contributed
// by Prasad Kshirsagar
Python3
# Python3 Program to
# Calculate area of
# tetrahedron
import math
def area_of_tetrahedron(side):
return (math.sqrt(3) *
(side * side));
# Driver Code
side = 3;
print("Area of Tetrahedron = ",
round(area_of_tetrahedron(side), 4));
# This code is contributed by mits
C#
// C# Program to Calculate
// area of tetrahedron
using System;
class GFG
{
// Utility Function
public static double area_of_tetrahedron(int side)
{
return (Math.Sqrt(3) *
(side * side));
}
// Driver code
static public void Main ()
{
int side = 3;
Console.WriteLine("Area of Tetrahedron = " +
area_of_tetrahedron(side));
}
}
// This code is contributed
// by akt_mit
PHP
Javascript
C++
// C++ code to find the volume of a tetrahedron
#include
using namespace std;
// Function to calculate volume
double vol_tetra(int side)
{
double volume = (pow(side, 3) /
(6 * sqrt(2)));
return volume;
}
// Driver code
int main()
{
int side = 3;
double vol = vol_tetra(side);
vol = (double)round(vol * 100) / 100;
cout << vol;
return 0;
}
// This code is contributed by suresh07
Java
// Java code to find the volume of a tetrahedron
import java.io.*;
class Tetrahedron {
// Function to calculate volume
static double vol_tetra(int side)
{
double volume = (Math.pow(side, 3) / (6 * Math.sqrt(2)));
return volume;
}
// Driver Code
public static void main(String[] args)
{
int side = 3;
double vol = vol_tetra(side);
vol = (double)Math.round(vol * 100) / 100;
System.out.println(vol);
}
}
Python3
# Python code to find the volume of a tetrahedron
import math
def vol_tetra(side):
volume = (side ** 3 / (6 * math.sqrt(2)))
return round(volume, 2)
# Driver Code
side = 3
vol = vol_tetra(side)
print(vol)
C#
// C# code to find the volume of a tetrahedron
using System;
class Tetrahedron {
// Function to calculate volume
static double vol_tetra(int side)
{
double volume = (Math.Pow(side, 3) / (6 * Math.Sqrt(2)));
return volume;
}
// Driver Code
public static void Main()
{
int side = 3;
double vol = vol_tetra(side);
vol = (double)Math.Round(vol * 100) / 100;
Console.WriteLine(vol);
}
}
// This code is contributed
// by vt_m.
PHP
Javascript
输出 :
Area of Tetrahedron =15.5885
四面体的体积可以使用以下公式计算:
Volume = a3/(6√2)
例子 :
Input : side = 3
Output : 3.18
Input : side = 20
Output : 942.81
C++
// C++ code to find the volume of a tetrahedron
#include
using namespace std;
// Function to calculate volume
double vol_tetra(int side)
{
double volume = (pow(side, 3) /
(6 * sqrt(2)));
return volume;
}
// Driver code
int main()
{
int side = 3;
double vol = vol_tetra(side);
vol = (double)round(vol * 100) / 100;
cout << vol;
return 0;
}
// This code is contributed by suresh07
Java
// Java code to find the volume of a tetrahedron
import java.io.*;
class Tetrahedron {
// Function to calculate volume
static double vol_tetra(int side)
{
double volume = (Math.pow(side, 3) / (6 * Math.sqrt(2)));
return volume;
}
// Driver Code
public static void main(String[] args)
{
int side = 3;
double vol = vol_tetra(side);
vol = (double)Math.round(vol * 100) / 100;
System.out.println(vol);
}
}
蟒蛇3
# Python code to find the volume of a tetrahedron
import math
def vol_tetra(side):
volume = (side ** 3 / (6 * math.sqrt(2)))
return round(volume, 2)
# Driver Code
side = 3
vol = vol_tetra(side)
print(vol)
C#
// C# code to find the volume of a tetrahedron
using System;
class Tetrahedron {
// Function to calculate volume
static double vol_tetra(int side)
{
double volume = (Math.Pow(side, 3) / (6 * Math.Sqrt(2)));
return volume;
}
// Driver Code
public static void Main()
{
int side = 3;
double vol = vol_tetra(side);
vol = (double)Math.Round(vol * 100) / 100;
Console.WriteLine(vol);
}
}
// This code is contributed
// by vt_m.
PHP
Javascript
输出 :
3.18