# Program to calculate Volume and Surface area of Hemisphere

• Last Updated : 22 Jun, 2022

Calculate volume and surface area of a hemisphere.
Hemisphere :
In geometry, it is an exact half of a sphere. We can find many of the real life examples of the hemispheres such as our planet Earth can be divided into two hemisphere the southern & northern hemispheres. Volume of Hemisphere : Volume of a Hemisphere is nothing but the amount of space occupied by the hemisphere. It is also defined as the quantity of three dimensional space enclosed by the boundary of the Hemisphere.
Surface area : The number of square units that will exactly cover the surface of a hemisphere.
surface area = volume = Examples :

Input :  Radius = 7
Output : Volume = 718.378
Surface Area = 307.876

Input :  Radius = 11
Output : Volume = 2787.64
Surface Area = 760.265

## C++

 // CPP Program to calculate volume and// and surface area of a Hemisphere.#include using namespace std;// Initializing value of pi#define pi 3.141592653589793 // Function to calculate volumevoid volume(float r){    float volume = float(2 * pi * pow(r, 3)) / float(3);    cout << "Volume = " << volume << endl;}// Function to calculate surface areavoid surface_area(float r){    float s_area = 2 * pi * pow(r, 2);    cout << "Surface Area = " << s_area << endl;} // Driver programint main(){    float r = 11;    volume(r);    surface_area(r);    return 0;}

## Java

 // Java Program to calculate volume and// and surface area of a Hemisphere.import java.util.*;import java.lang.*; public class GfG{         // Initializing value of pi    private static final float pi = (float) 3.141592653589793;     // Function to calculate volume    public static void volume(float r)    {        float volume = (float)(2 * pi *(float) Math.pow(r, 3))                                                    / (float)(3);        System.out.println("Volume = " + volume);    }    // Function to calculate surface area    public static void surface_area(float r)    {        float s_area = (float)2 * pi * (float)Math.pow(r, 2);        System.out.println("Surface Area = " + s_area);    }         // Driver function    public static void main(String argc[]){        float r = 11;        volume(r);        surface_area(r);    }     }/* This code is contributed by Sagar Shukla */

## Python

 # Python code Program to calculate volume and# and surface area of a Hemisphere.import math # Function to calculate volumedef volume(r):    volume = 2 * math.pi * math.pow(r, 3) / 3    print("Volume = ", '%.4f' %volume) # Function to calculate surface areadef surface_area(r):    s_area = 2 * math.pi * math.pow(r, 2)    print("Surface Area = ", '%.4f' %s_area)     # Driver coder = 11volume(r)surface_area(r)

## C#

 // C# Program to calculate volume and// and surface area of a Hemisphere.using System; public class GfG{         // Initializing value of pi    private static float pi = (float) 3.141592653589793;     // Function to calculate volume    public static void volume(float r)    {        float volume = (float)(2 * pi *(float) Math.Pow(r, 3))                                                / (float)(3);        Console.WriteLine("Volume = " + volume);    }         // Function to calculate surface area    public static void surface_area(float r)    {        float s_area = (float)2 * pi * (float)Math.Pow(r, 2);        Console.WriteLine("Surface Area = " + s_area);    }         // Driver function    public static void Main()    {        float r = 11;        volume(r);        surface_area(r);    }     } /* This code is contributed by vt_m */

## PHP

 

## Javascript

 

Output

Volume = 2787.64
Surface Area = 760.265

Time complexity: O(logr)

space complexity: O(1)

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