More C++ Examples / Practice Programs

C++ Program to Calculate Area of Square

Introduction

How to calculate area of square in c++. I have used Dev-C++ IDE for debugging purpose. But you can use any C programming language compiler as per your compiler availability.

#include<iostream>
#define PI 3.141
using namespace std;

int main()
{

  int side, area;

   cout << "Enter the Length of Side : ";
   cin >> side;
   
  // Formula to calculate area of square
   area = side * side;
   cout << "Area of Square : "<< area;
   
   return 0;
}

Result

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