c++ program to find the area of the circle

 Code:-

#include<bits/stdc++.h>

using namespace std;

int main()

{

int r;

float area;

cout<<"Enter the radius of the circle"<<endl; // endl for line change

cin>>r;

area=3.14*r*r;

cout<<"Area of the circle is : "<<area;

return 0;

}

Output:-

Enter the radius of the circle

4

Area of the circle is : 50.26