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Program to find the area of a Square
  • Difficulty Level : Easy
  • Last Updated : 23 Apr, 2018

What is a square ?
Square is a flat shape, in one plane, defined by four points at the four corners. A square has four sides all of equal length, and four corners, all right angles (90 degree angles). A square is a kind of rectangle but with all sides equal.

Formula :
Area = side * side
Examples:

Input : 4
Output :16

Input :8
Output :64

CPP




// CPP program to find the area of a square
#include <iostream>
using namespace std; 
  
// function to find the area
int area_fun(int side)
{
int area = side * side; 
return area;
}
  
// Driver program
int main()
{
int side = 4;
int area = area_fun(side);
cout << area;
return 0; 
}


Java




// Java program to find
// the area of a square
  
class GFG
{
  
// function to find the area
static int area_fun(int side)
{
int area = side * side; 
return area;
}
  
// Driver code
public static void main(String arg[]) 
{
    int side = 4;
    int area = area_fun(side);
    System.out.println(area);
}
}
  
// This code is contributed
// by Anant Agarwal.


Python3




# Python program to find
# the area of a square
  
# function to find the area
def area_fun(side):
    area = side * side 
    return area
  
# Driver program
side = 4
area = area_fun(side)
print (area)
  
# This Code is Contributed
# by Azkia Anam.


C#




// C# program to find
// the area of a square
using System;
  
class GFG {
  
    // function to find the area
    static int area_fun(int side)
    {
        int area = side * side;
        return area;
    }
  
    // Driver code
    public static void Main()
    {
        int side = 4;
        int area = area_fun(side);
        Console.WriteLine(area);
    }
}
  
// This code is contributed by vt_m.


PHP




<?php
// PHP program to find the 
// area of a square
  
// function to find the area
function area_fun($side)
{
    $area = $side * $side
    return $area;
}
  
// Driver program
$side = 4;
$area = area_fun($side);
echo( $area);
  
// This code is contributed
// by vt_m.
?>



Output:

16

This article is contributed by Ajay Puri. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

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