Calculate area of a square in C++
cin - Question 11
In this question, we will see how to input side of a square in C++ programming using the cin statement and find its area. To know more about cin statement click on the cin statement lesson.
Q11) Write a program in C++ to input side of a square and find its area.
Formula: area = side * side
Program
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int s,a;
cout<<"Enter side of a square ";
cin>>s;
a=s*s;
cout<<"Area="<<a;
return 0;
}Output
Enter side of a square 5 Area=25
